Aculeiform

C2 16+

Pronunciation: /ˌækjʊliˈfɔrm/

Definitions of aculeiform

adjective shaped like a needle or having a sharp point

Example Sentences

A1 The cactus had aculeiform spines that could easily prick your skin.

A2 She carefully avoided touching the aculeiform leaves of the prickly pear cactus.

B1 The aculeiform thorns on the rose bush made it difficult to prune.

B2 The aculeiform shape of the sea urchin's spines provided protection from predators.

C1 The aculeiform structure of the porcupine's quills is designed for defense against threats.

C2 Botanists study the aculeiform characteristics of various plant species to understand their adaptations.

Examples of aculeiform in a Sentence

formal The aculeiform structure of the sea urchin's spines helps protect it from predators.

informal Ouch! I accidentally stepped on an aculeiform sea urchin spine at the beach.

slang I hate those little aculeiform things that stick to your clothes when you're hiking.

figurative His words were like aculeiform barbs, piercing through her defenses.

Grammatical Forms of aculeiform

past tense

aculeiformed

plural

aculeiforms

comparative

more aculeiform

superlative

most aculeiform

present tense

aculeiform

future tense

will aculeiform

perfect tense

have aculeiformed

continuous tense

is aculeiforming

singular

aculeiform

positive degree

aculeiform

infinitive

to aculeiform

gerund

aculeiforming

participle

aculeiformed

Origin and Evolution of aculeiform

First Known Use: 1700 year
Language of Origin: Latin
Story behind the word: The word 'aculeiform' originates from Latin, specifically from the word 'aculeus' meaning 'prickle' or 'sting'.
Evolution of the word: Originally used to describe something shaped like a prickle or sting, 'aculeiform' has evolved to also refer to objects or structures resembling a needle or spine.