Functioning invertebrate Synonyms

Definitions for Functioning

(adjective) being in effective operation
(adjective) performing or able to perform its regular function
(noun) process or manner of functioning or operating

Synonyms for phrase

FI abbreviation

FI is an abbreviation for Functioning Invertebrate

What does FI stand for?

FI stands for "Functioning Invertebrate"

Definitions for Invertebrate

(adjective) lacking strength of will or character
(noun) any animal lacking a backbone or notochord; the term is not used as a scientific classification
(adjective) lacking a backbone or spinal column