pinnulate

American  

[pin-yuh-leyt] / ˈpɪn yəˌleɪt /

Also pinnulated

adjective

1. having pinnules.

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Etymology

Origin of pinnulate

First recorded in 1820–30; pinnule + -ate ¹

Example Sentences

Colour bright brown, rachis shining, very dark brown; polypidom about six inches high, simply pinnulate, pinnules about half an inch; thickly and regularly disposed, alternate.

From Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 1 by MacGillivray, John

All the Palaeozoic representatives have non-pinnulate arms, while the Mesozoic and later forms have them pinnulate.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" by Various

An anal plate always rests on the posterior basal; mouth and tegminal food-grooves closed; arms pinnulate.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" by Various