acotyledon

[ ey-kot-l-eed-n, ey-kot- ]
/ ˈeɪˌkɒt lˈid n, eɪˌkɒt- /

noun

a plant without cotyledons, therefore one belonging to a group lower than the seed plants.

Origin of acotyledon

First recorded in 1810–20; a-6 + cotyledon

OTHER WORDS FROM acotyledon

a·cot·y·le·don·ous [ey-kot-l-eed-n-uh s, ey-kot-] /ˈeɪˌkɒt lˈid n əs, eɪˌkɒt-/, adjective

British Dictionary definitions for acotyledon

acotyledon
/ (əˌkɒtɪˈliːdən) /

noun

any plant, such as a fern or moss, that does not possess cotyledons

Derived forms of acotyledon

acotyledonous, adjective