botryoidal

American  

[bo-tree-oid-l] / ˌbɒ triˈɔɪd l /

Also botryoid,

adjective

Mineralogy.

1. having the form of a bunch of grapes.

   botryoidal hematite.

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botryoidal British  

/ ˌbɒtrɪˈɔɪdəl, -ˌəʊz, ˈbɒtrɪˌəʊs /

adjective

1. (of minerals, parts of plants, etc) shaped like a bunch of grapes

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botryoidal Scientific  

/ bŏt′rē-oid′l /

1. Shaped like a bunch of grapes. Certain minerals and parts of organisms can be botryoidal.

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Other Word Forms

• botryoidally adverb

Etymology

Origin of botryoidal

1810–20; < Greek botryoeid ( ḗs ) shaped like a bunch of grapes ( bótry ( s ) bunch of grapes + -oeidēs -oid ) + -al ¹

Example Sentences

Write as explicit an account as you can of the absorbent action of a villus. Tabulate the alimentary secretions, and their action on the food. What is botryoidal tissue?

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)

A variety of datolite, usually having a botryoidal structure.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah

The network is partly formed out of pigmented cells which are excavated and join to form tubes, the so-called botryoidal tissue, not found among the Rhynchobdellidae at all.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various

These shells occur at Hartlepool and Sunderland, where the rock assumes an oolitic and botryoidal character.

From The Student's Elements of Geology by Lyell, Charles, Sir

And he would also write on the blackboard any exceptionally difficult but grant-earning words, such as "empyreumatic" or "botryoidal."

From The New Machiavelli by Wells, H. G. (Herbert George)