Definition of reversible in US English:



  • 1Able to be turned the other way around.

    ‘a reversible stroller seat’
    • ‘‘Star’ is a novel by Pamela Anderson with a reversible book jacket that contains a nude pinup of the author on the inside.’
    • ‘If you have reversible ceiling fans, set them in the winter to circulate the heated air collecting at the ceiling down towards the floor.’
    • ‘And I bet you haven't even noticed that all car number plates on TV ads are reversible so the image can simply be reversed to show both left- and right-hand drive?’
    • ‘Extras for this DVD amount to an illustration gallery, previews, a mini poster insert, and a reversible cover.’
    • ‘The case itself, as with the previous volume, offers a reversible cover, a cool feature that seems to be the norm for Geneon releases now.’
    • ‘The new movable curtains are interchangeable, reversible and can hang upside down, maximising the area exposed to bullet damage and reducing the stress while increasing their serviceable life from three to nine years.’
    • ‘The tray is reversible with one side having molded-in carpet and the other a concave surface to keep dirt and water from the rest of the vehicle.’
    • ‘Written by former Ministry of Education CEO Clive Borely, the book Carlton and the Dolphin and Tilly the Turtle is a reversible, hardcover publication.’
    • ‘Miles said one student proposed a reversible high occupancy vehicle lane on Highway 99 to increase its capacity, while others argued against the construction of any new infrastructure.’
    • ‘Ireland will be represented for the first time in the reversible plough event at the Czech University of Agriculture complex.’
    • ‘The cramped cube filled with sharp-edged reversible furniture would certainly reduce anyone's desire to own property.’
    • ‘All of the streetcars are bright yellow, and have reversible wooden seats inside.’
    • ‘The reversible cover is a nice touch, the booklet is informative, and it's just plain pretty.’
    • ‘The scales are nicely contoured, and the scabbard offers a reversible belt clip for blade-up or blade-down carry in addition to a neck chain.’
    • ‘Further around are three dolls, the reversible kind (always a disturbing toy) that you turn upside down to find another face.’
    • ‘It has a staggered 15 round magazine with a reversible magazine release button that can be positioned for either right- or left-handed shooters.’
    • ‘Now on many strollers the handle bars are reversible and can be moved from front to rear or vice versa and they are height adjustable.’
    • ‘This afternoon, I realised that snowboards aren't necessarily reversible, and put my bindings back the right way.’
    • ‘The fashion and mood of the era are evoked by Willis' third choice, a rust-coloured angular chesterfield with reversible armrests.’
    • ‘The boot is a technical joy, with cubby holes, cargo nets, an extending plastic cover and a neat reversible floor which flips from carpet to plastic for pet transportation.’
    1. 1.1 (of a garment, fabric, or bedclothes) faced on both sides so as to be worn or used with either outside.
      • ‘Beck flipped his jacket inside out, it being a reversible garment, and then pulled off his shirt, changing it with one from the backpack.’
      • ‘For example, choose a comforter or duvet cover that's reversible so you can change the mood by flipping it over.’
      • ‘I suggest you buy some inexpensive plain, reversible jerseys.’
      • ‘Then you have these reversible jackets, which have bronzed satin type fabric on one side and oatmeal speckles on the other.’
      • ‘Of course, these would make good reversible garments.’
      • ‘Blended checks, speckled materials and colourful herringbones amid reversible two colour fabrics all make impact.’
      • ‘We teamed a flannel sheet with a cotton one to make this warm duvet cover; pairing patterned and solid sheets makes a good-looking reversible cover.’
      • ‘The styles range from a classic wool-cashmere pea coat to a reversible shearling jacket.’
      • ‘Carpets from Chiprovtsi are reversible and can be used on both sides and some are even aged 30 years and even more.’
      • ‘Also very fashionable is the clever and practical reversible cloth purse.’
      • ‘The quilted coverlet is reversible with one side having a light background with dark toile print; the reverse side is dark background hosting a light print.’
      • ‘There are quite a few fabrics suitable for reversible jackets.’
      • ‘The coat is a gent's light grey waterproof reversible jacket, with fleece lining.’
      • ‘Using reversible jackets - green for timbered areas and white for snow - troops blended in with their surroundings.’
      • ‘Her cloak was reversible, black on one side, brown on the other.’
      • ‘Clever touches such as reversible tops and jackets, fun appliqués and fine embroidery make them stand out from the rest.’
      • ‘Lining with another garment fabric makes your vest reversible.’
      • ‘The coat is reversible and is made up in two medium weight fabrics to span both casual and formal occasions.’
      • ‘Further development of reversible clothing and equipment covers will reduce the logistics burden, increase mission flexibility and reduce procurement costs.’
      • ‘Tom Cruise is wearing a suit jacket that looks like it came from one of those deals where $99 buys you two jackets and a pair of reversible pants.’
  • 2(of the effects of a process or condition) capable of being reversed so that the previous state or situation is restored.

    ‘potentially reversible forms of renal failure’
    • ‘High temperature may also cause large, reversible effects on the rate of photosynthesis.’
    • ‘‘But one of the main advantages of Botox is that the side effects are reversible, such as with tosis, which goes away in three months as the drug starts to wear off,’ said McMillan.’
    • ‘And though the procedure is simple, fast and reversible, there are hidden costs involved if you decide to change your mind when the economy improves.’
    • ‘When it was used in vast quantities in agriculture, DDT probably harmed reproduction in birds of prey - but this harm subsequently proved reversible.’
    • ‘‘And there's a bit of chalky decay there,’ he said, indicating a white patch on another tooth, ‘but that should be reversible.’’
    • ‘In our study the bronchoconstrictive effect was spontaneously reversible, that is, without treatment with a [beta] agonist.’
    • ‘These side effects may be reversible, such as weight gains or losses, loss of hair, and mouth ulcers, or may be permanent such as amputation or skeletal abnormalities.’
    • ‘Now we're not so sure if these effects are reversible - in fact, we know some at least experimental drugs that can reverse or at least prevent the shrinkage.’
    • ‘The problem appeared to be reversible, but not by medicine.’
    • ‘According to the study's author, it's not clear whether cocaine kills brain cells or merely impairs them, or whether the effect is reversible.’
    • ‘Corporatisation is just reversible in an instant.’
    • ‘Nonlethal capabilities intended for use against personnel will have relatively reversible effects.’
    • ‘Since it operates from the ground and its effects are supposedly reversible, it has not generated the controversy associated with ‘space weapons.’’
    • ‘These effects are reversible and tend to be less of a problem over time if the patient continues taking the drug.’
    • ‘‘Unlike a face lift and other cosmetic surgery, the safety margin is high because it is reversible,’ said Dr Lee, a surgeon.’
    • ‘And what's really important is that the whole effect is reversible.’
    • ‘Flashbacks are generally short-term, non-distressing, recurrent, spontaneous, reversible and benign conditions.’
    • ‘Some of these effects are reversible, but many are not.’
    • ‘In many patients, reversible conditions such as hypothyroidism or depression are comorbid rather than being the actual cause of cognitive decline.’
    • ‘These effects were reversible in the short term and nonreversible in the long term.’
    1. 2.1Chemistry (of a reaction) occurring together with its converse, and so yielding an equilibrium mixture of reactants and products.
      • ‘The product of this reversible reaction is synthesis gas, a mixture of hydrogen and carbon monoxide that can be stored at ambient temperatures and transported to where energy is needed.’
      • ‘Many nucleophilic additions to carbon-oxygen double bonds are reversible, and the equilibrium position of the reaction determines the overall results.’
      • ‘The reaction is potentially reversible under physiological conditions, and the enzyme was formerly supposed to be responsible for starch synthesis.’
      • ‘Both types of reaction are reversible and produce an ester and water.’
      • ‘Le Châtelier realized that the carbon monoxide formed carbon dioxide and carbon in a reversible reaction, for which the iron oxides acted as a catalyst.’
    2. 2.2Physics (of a change or process) capable of complete and detailed reversal, especially denoting or undergoing an ideal change in which a system is in thermodynamic equilibrium at all times.
      • ‘In a reversible process the total change in entropy in the system and the total change in entropy in the surroundings is zero.’
      • ‘The essential process involves a reversible change of state, i.e., liquid to vapor to liquid.’
      • ‘Upon heating, they undergo a reversible transition leading to a partly a-helical structure.’
      • ‘These spectral changes were completely reversible at the phase transition temperature of the lipids, when the sample was slowly heated back to 35°C.’
      • ‘Each sensor of the array undergoes a reversible change in electrical resistance when exposed to a vapor or analyte.’
    3. 2.3Chemistry (of a colloid) capable of being changed from a gel into a sol by a reversal of the treatment which turns the sol into a gel.
      • ‘Now assume that a macromolecule contains reversible linker groups allowing weak links with the gel.’
      • ‘Consider a reversible gel in aqueous solvent with the polymers constituting the gel consisting of hydrophobic groups separated by hydrophilic spacers, as in the RG model.’
      • ‘Experiments on the physical properties of this barrier appear to be in conflict with current physical understanding of the rheology of reversible gels.’