FRANGIBLE
frangible
(adjective) capable of being broken; “the museum stored all frangible articles in locked showcases”
Source: WordNet® 3.1
Etymology
Adjective
frangible (comparative more frangible, superlative most frangible)
Able to be broken; breakable, fragile. [from early 15th c.]
Usage notes
The word is often used to refer to objects which are made intentionally breakable, either as part of their operation (such as frangible bullets and frangible nuts), or for use in an emergency (such as frangible light poles or smoke outlet panels).
Synonyms
• fragmentable (not idiomatically interchangeable although denotatively equal)
Antonyms
• infrangible, indestructible, nonbrittle, unbreakable, unfragile
• unfrangible (obsolete)
Noun
frangible (plural frangibles)
Something that is breakable or fragile; especially something that is intentionally made so, such as a bullet.
Source: Wiktionary
Fran"gi*ble, a. Etym: [Cf. F. frangible.]
Definition: Capable of being broken; brittle; fragile; easily broken.
Source: Webster’s Unabridged Dictionary 1913 Edition