Emily Dickinson Lexicon

ISL'AND-ER, n. [i'lander.]

An inhabitant of an island.

ISLE, or ILE, n. [ile; Fr. isle or île, from It. isola, L. insula.]

1. A tract of land surrounded by water, or a detached portion of land imbosomed in the ocean, in a lake or river. The isles shall wait for his law. Is. xlii.
2. A passage in a church. [See Aisle.]

IS'LET, n. [i'let.]

A little isle.

I-SO-CHEI'MAL, a. [Gr. ισος, equal, and χειμων, winter.]

Having the same winter or degree of cold. Prout.

I-SO-CHRO-MAT'IC, a. [Gr. ισος, equal, and χρωμα, color.]

Having the same color.

I-SOCH'RON-AL, or I-SOCH'RON-OUS, a. [Gr. ισος, equal, and χρονος, time.]

Uniform in time; of equal time; performed in equal times. An isochronal line, is that in which a heavy body is supposed to descend without acceleration. Bailey. Isochronal vibrations of a pendulum are such as are performed in the same space of time. Encyc.

IS-OD'O-MON, n. [Gr.]

In Grecian architecture, a construction of equal thicknesses and equal lengths. Elmes.

IS'O-LATE, v.t. [It. isola, an isle or island.]

To place in a detached situation; to place by itself; to insulate. Med. Repos.

IS'O-LA-TED, pp. [or a. Fr. isolé; It. isolato, from isola, an isle.]

Standing detached from others of a like kind; placed by itself or alone.

IS'O-LA-TING, ppr.

Placing by itself or detached like an isle.

IS-O-LA'TION, n.

State of being isolated or alone.

IS-OM'ER-IC, a.

Compounds consisting of the same elements in the same proportions, but with different properties, are said to be isomeric.

IS-OM'ER-ISM, n. [Gr. ισος, equal, and μερος, part.]

Identity of elements and proportions with diversity of properties.

I-SO-MORPH'ISM, n. [Gr. ισος, like, and μορφη, form.]

1. The quality of assuming the same crystaline form though composed of different elements, or proximate principles, yet with the same number of equivalents.
2. The quality of a substance by which it is capable of replacing another in a compound, without an alteration of the previous crystaline form of the compound.

I-SO-MORPH'OUS, a.

Having a different composition as respects elements, or proximate principles, (though not as respects number of equivalents,) but with the same crystaline form. Ed. Rev.

IS'ON-O-MY, n. [Gr. ισος, equal, and νομος, law.]

Equal law; equal distribution of rights and privileges. Mitford.

I-SO-PER-I-MET'RIC-AL, a. [See Isoperimetry.]

Having equal boundaries; as, isoperimetrical figures or bodies.

I-SO-PER-IM'E-TRY, n. [Gr. ισος, equal, περι, around, and μετρον, measure.]

In geometry, the science of figures having equal perimeters or boundaries.

IS'O-PODE, n. [Gr. ισος and πους.]

One of an order of the crustacea, embracing several genera.

IS'O-PO-DOUS, a.

Relating to an order of crustaceous animals.

IS'O-PYRE, n. [Gr. ισος and πυρ.]

A silicate of alumina, lime and peroxyd of iron.

I-SOS'CE-LES, a. [Gr. ισοσκελης; ισος, equal, and σκελος, leg.]

Having two legs only that are equal; as, an isosceles triangle.

IS-OTH'ER-AL, a. [Gr. ισος, equal, and θερος, heat, or summer.]

Having the same degree of heat. Prout.

IS-O-THERM'AL, a. [Gr. ισος, equal, proper, and θερμη, heat.]

Having uniform temperature or equal heat. Ure.

IS-O-TON'IC, a. [Gr. ισος, equal, and τονος, tone.]

Having equal tones. The isotonic system, in music, consists of intervals, in which each concord is alike tempered, and in which there are twelve equal semitones.