CONCHO-SPIRAL
Con`cho-spi"ral, n.

Defn: A kind of spiral curve found in certain univalve shells.
Agassiz.

CONCHYLACEOUS; CONCHYLIACEOUS
Con`chy*la"ceous, Con*chyl`i*a"ceous, a. Etym: [L. conchylium shell,
Gr. Conch.]

Defn: Of or pertaining to shells; resembling a shell; as, conchyliaceous impressions. Kirwan.

CONCHYLIOLOGIST; CONCHYLIOLOGY
Con*chyl`i*ol"o*gist, n., Con*chyl`i*ol"o*gy, n.

Defn: See Conchologist, and Conchology.

CONCHYLIOMETRY
Con*chyl`i*om"e*try, n. Etym: [Gr. -metry.]

Defn: Same as Conchometry.

CONCHYLIOUS
Con*chyl"i*ous, a.

Defn: Conchylaceous.