(geometry) Having (at least) two sides of equal length, used especially of a triangle or trapezoid.

Placed or standing apart or alone; in isolation. / Happening or occurring only once. / (chess, of a pawn) Such that no pawn of the same color is in an adjacent file.

simple past tense and past participle of isolate

(of two solutions) Having the same osmotic pressure. / (of a medical solution) Having the same concentration of solutes as human blood. / (of two muscles) Having equal tension.

(geology) The state of balance or pressure equilibrium thought to exist within the Earth's crust, whereby the upper lithosphere floats on denser magma beneath.

(physics) a small difference in the transition energies of isotopes that corresponds to a given spectral line transition

(chemistry) Any technique that involves the addition to a sample of an isotopically labelled compound.

(chemistry, physics) a technique for maintaining reactive molecules in an inert material at low temperature for spectroscopic study

Of or pertaining to a process that takes place at constant temperature / Of or pertaining to an isotherm

(geography) An isotherm