Defn: Of or pertaining to an isothermobath; possessing or indicating equal temperatures in a vertical section, as of the ocean.

ISOTHEROMBROSE I*soth`er*om"brose, n. Etym: [Iso- + Gr. qe`ros summer + 'o`mbros rain.] (Phys. Geog)

Defn: A line connecting or marking points on the earth's surface, which have the same mean summer rainfall.

ISOTONIC
I`so*ton"ic, a. Etym: [Iso- + tonic.]

Defn: Having or indicating, equal tones, or tension. Isotonic system (Mus.), a system consisting of intervals, in which each concord is alike tempered, and in which there are twelve equal semitones.

ISOTRIMORPHIC
I`so*tri*mor"phic, a.

Defn: Isotrimorphous.

ISOTRIMORPHISM
I`so*tri*mor"phism, n. Etym: [Iso- + Gr.

Defn: Isomorphism between the three forms, severally, of two trimorphous substances.

ISOTRIMORPHOUS
I`so*tri*mor"phous, a.