LACTONIC
Lac*ton"ic, a. Etym: [From Lactone.] (Chem.)

Defn: Of, pertaining to, or derived from, lactone.

LACTONIC
Lac*ton"ic, a. Etym: [From Lactose.] (Chem.)

Defn: Pertaining to, or designating, an acid obtained by the oxidation of milk sugar (lactose).

LACTOPROTEIN
Lac`to*pro"te*in, n. Etym: [L.lac, lactis,milk + E. protein.]
(Physiol. Chem.)

Defn: A peculiar albuminous body considered a normal constituent of milk.

LACTORY
Lac"to*ry, a.

Defn: Lactiferous. [Obs.] "Lactory or milky plants." Sir T. Browne.

LACTOSCOPE
Lac"to*scope, n. Etym: [L. lac, lactis + scope.]

Defn: An instrument for estimating the amount of cream contained in milk by ascertaining its relative opacity.