Defn: An amorphous carbohydrate found in the vegetable kingdom, esp. in unripe fruits. It is associated with cellulose, and is converted into substances of the pectin group.

PECTOSIC
Pec*to"sic, a. (Chem.)

Defn: Of, pertaining to, resembling, or derived from, pectose; specifically, designating an acid supposed to constitute largely ordinary pectin or vegetable jelly.

PECTOSTRACA
Pec*tos"tra*ca, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A degenerate order of Crustacea, including the Rhizocephala and
Cirripedia.

PECTOUS
Pec"tous, a. (Chem.)

Defn: Of, pertaining to, or consisting of, pectose.

PECTUS
Pec"tus, n.; pl. Pectora. Etym: [L., the breast.] (Zoöl.)

Defn: The breast of a bird.

PECUL
Pec"ul, n.