PLACOIDS

Noun

placoids

plural of placoid

Source: Wiktionary


PLACOID

Plac"oid, a. Etym: [Gr. -oid.] (Zoöl.)

Definition: Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoids.

Plac"oid, n. (Zoöl.) (a) Any fish having placoid scales, as the sharks. (b) One of the Placoides.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

29 April 2024

SUBDUCTION

(noun) a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate


coffee icon

Coffee Trivia

In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.

coffee icon