achordata
|a-chor-da-ta|
🇺🇸
/ˌeɪkɔːrˈdeɪtə/
🇬🇧
/ˌeɪkɔːˈdeɪtə/
without a notochord
Etymology
'achordata' originates from Greek, specifically the prefix 'a-' meaning 'without' and 'chorda' meaning 'cord' or 'string'.
'achordata' was derived from the Greek term 'achordatos', which was used to describe organisms lacking a notochord.
Initially, it meant 'without a cord', referring to the absence of a notochord, and this meaning has remained consistent in modern usage.
Meanings by Part of Speech
Noun 1
a group of animals that do not possess a notochord, a flexible rod-like structure that provides support in all embryonic and some adult chordate animals.
Invertebrates such as mollusks and arthropods are classified under achordata.
Synonyms
Antonyms
Last updated: 2025/04/21 11:06