Defn: Having the characteristic of Zoilus, a bitter, envious, unjust critic, who lived about 270 years before Christ.

ZOILISM
Zo"i*lism, n.

Defn: Resemblance to Zoilus in style or manner; carping criticism;
detraction.
Bring candid eyes the perusal of men's works, and let not Zoilism or
detraction blast well-intended labors. Sir T. Browne.

ZOISITE Zois"ite, n. Etym: [After its discoverer, Von Zois, an Austrian mineralogist.] (Min.)

Defn: A grayish or whitish mineral occurring in orthorhombic, prismatic crystals, also in columnar masses. It is a silicate of alumina and lime, and is allied to epidote.

ZOISM
Zo"ism, n. [Gr. zwh` life + -ism.]

1. Reverence for animal life or belief in animal powers and influences, as among savages.

2. (Biol.) A doctrine, now discarded, that the phenomena of life are due to a peculiar vital principle; the theory of vital force.

ZOKOR
Zo"kor, n. (Zoöl.)

Defn: An Asiatic burrowing rodent (Siphneus aspalax) resembling the mole rat. It is native of the Altai Mountains.