Definition of outermost in English:



  • attributive Furthest from the centre.

    ‘the outermost layer of the earth’
    • ‘Carbon atoms have four outermost electrons and need eight to be more stable.’
    • ‘There are a vast network of interconnecting buses in most urban centres, out to the outermost suburbs of town.’
    • ‘Comets originate in the Oort Cloud, which lies beyond the orbit of the outermost planet.’
    • ‘Enamel, the hardest tissue in the body, covers the dentin and forms the outermost layer of the crown.’
    • ‘The cries of ‘Fore!’ ricocheted around the course like wayward drives bouncing between the trees that line this course at its outermost periphery.’
    • ‘The outermost layer is called enamel, and is harder than bone.’
    • ‘Earlier, we stressed that lactase is located on the outermost surface of the intestinal cells.’
    • ‘Oh, and I also think the Congestion Charge should be as extended to the outermost reaches of central London.’
    • ‘The shoot and three punches of tissue taken from the second outermost scale were weighed and dried for at least 4 weeks at 70°C.’
    • ‘As a result of this setup, low gear is when the belt is at the innermost radius of the driving pulley and the outermost surface of the driven pulley; high gear is when the belt is at the top of the driving pulley and the bottom of the driven pulley.’
    • ‘The city centre is Zone 1 and the outermost suburbs are Zone 6.’
    • ‘Only the outermost two or three cell layers and the inner epidermis remain compact at anthesis.’
    • ‘The outermost layer of skin is swept clean of dead cells, which are vacuumed away.’
    • ‘For example, screeners would not have to pat down ‘those persons whose outermost garments closely conform to the natural contour of the body.’’
    • ‘The jester tapped the onion with his free hand and the outermost layer of skin peeled back.’
    • ‘The outermost cell layer is the epidermis with a cuticle that covers the entire seed coat.’
    • ‘We see the outermost layers of clouds, which are probably composed of icy crystals of methane.’
    • ‘The digit's outermost bone, the distal phalanx, can also yield some clues.’
    • ‘He explains that if you strip off the outermost layers, frequently they are as good as new.’
    • ‘If you feel the need to share your innermost thoughts and outermost talents with the world, or check out some established sites, here's where to go.’
    outside, outward, exterior, external, surface, superficial
    View synonyms


  • The one that is furthest from the centre.

    ‘the orbit of the outermost of these eight planets’
    • ‘In all of these cases, the secondary plastid is enclosed by multiple membranes, the outermost of which is apparently a derivative of the original phagocytic vacuole.’
    • ‘The system of Sacrobosco, then, had nine spheres, the outermost being occupied by the activity of the First Mover.’