Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
(of a diatom) bilaterally symmetrical.Compare with centric
- ‘Both articulated and broken pennate diatoms, up to 12 m long and 4 m wide, are scattered throughout the stromatolitic sinters.’
- ‘Tissue-level concentrations of hydrophilic and lipophilic extracts caused high levels of mortality in a sympatric pennate diatom.’
- ‘The major source of the spring diatom pulse was Skeletonema potamos and a variety of centric and pennate diatoms.’
- ‘Diatoms are photosynthetic protists, which are classified into centric and pennate diatoms, according to whether they have a radial or bilateral symmetry.’
- ‘At the shallow south end of the lake, most of the samples were relatively similar, dominated by pennate forms.’
Mid 19th century: from Latin pennatus feathered, winged from penna feather.
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.