Share this entry

Share this page

gemma

Line breaks: gemma
Pronunciation: /ˈdʒɛmə
 
/

Definition of gemma in English:

noun (plural gemmae /-miː/)

Biology
1A small cellular body or bud that can separate to form a new organism.
Example sentences
  • In addition to leaves, moss stems may bear structures for aesexual reproduction - gemmae or bulbils.
  • Leiocoryphe gemma may be a paedomorphic species derived from some Upper Cambrian trilobite with an effaced cephalon.
  • The surface of the outer perine is formed of a nearly homogenous layer giving rise to dimpled elements that are not clearly discrete (e.g., not gemmae or clavae).
1.1 another term for chlamydospore.

Origin

late 18th century (denoting a leaf bud): from Latin, literally 'bud, jewel'.

Definition of gemma in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day tenebrous
Pronunciation: ˈtɛnɪbrəs
adjective
dark; shadowy or obscure