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An extensive order of fishes, including the salmons, herrings, and many allied forms.

Of or pertaining to the Isospondyli; having the anterior vertebræ separate and normal.

One of the spores produced by an isosporous organism.

Producing but one kind of spore, as the ferns and Equiseta. Cf. Heterosporic.

Producing but one kind of spore, as the ferns.

The state or quality of being isostatic. Specif. (Geol.),

equilibrium, as a body submerged in a liquid at rest; pertaining to, or characterized by, isostasy.

Having exactly as many stamens as petals.

The quality or state of being isostemonous.

A salt of isosulphocyanic acid.

Pertaining to, or designating, an acid, HNCS, isomeric with sulphocyanic acid.

Having the nature of an isothere; indicating the distribution of temperature by means of an isothere; as, an isotheral chart or line.

A line connecting points on the earth's surface having the same mean summer temperature.

A line connecting or marking points on the earth's surface having the same temperature. This may be the temperature for a given time of observation, or the mean temperature for a year or other period. Also, a similar line based on the distribution of temperature in the ocean.

Relating to equality of temperature.

A line drawn through points of equal temperature in a vertical section of the ocean.

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

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

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.

Isotrimorphous.