SOLS

noun

1. A solar day on Mars (equivalent to 24 hours, 39 minutes, 35 seconds).

noun

1. A Spanish-American gold or silver coin, now the main currency unit of Peru (also new sol), or a coin of this value.

noun

1. A type of colloid in which a solid is dispersed in a liquid.
2. A solution to an objection (or "ob"), in old books of controversial divinity.