Synonyms of the word

atomic

• adj. (physics, chemistry) Of or relating to atoms.
• adj. Of or employing nuclear energy or processes.
• adj. Infinitesimally small.
• adj. Unable to be split or made any smaller.
• adj. (computing) Of an operation: guaranteed to complete either fully or not at all while waiting in a pause,…
• n. (computing) An atomic operation.

atomlike

• adj. Resembling an atom or some aspect of one.

matter

• n. Substance, material.
• n. A condition, subject or affair, especially one of concern.
• n. An approximate amount or extent.
• n. (obsolete) The essence; the pith; the embodiment.
• n. (obsolete) Inducing cause or reason, especially of anything disagreeable or distressing.
• n. (dated) Pus.
• v. (intransitive) To be important.
• v. (transitive, obsolete outside dialects) To care about, to mind; to find important.
• v. To form pus or matter, as an abscess; to maturate.

microscopic

• adj. Of, or relating to microscopes or microscopy; microscopal.
• adj. So small that it can only be seen using a microscope.
• adj. Very small; minute.
• adj. Carried out with great attention to detail.
• adj. Able to see extremely minute objects.

microscopical

• adj. microscopic (all senses).

minute

• n. A unit of time equal to sixty seconds (one-sixtieth of an hour).
• n. (informal) A short but unspecified time period.
• n. A unit of angle equal to one-sixtieth of a degree.
• n. (chiefly in the plural, minutes) A (usually formal) written record of a meeting or a part of a meeting.
• n. A unit of purchase on a telephone or other network, especially a cell phone network, roughly equivalent…
• n. A point in time; a moment.
• n. A nautical or a geographic mile.
• n. An old coin, a half farthing.
• n. (obsolete) A very small part of anything, or anything very small; a jot; a whit.
• n. (architecture) A fixed part of a module.
• n. (slang, US, dialectal) A while or a long unspecified period of time.
• v. (transitive) Of an event, to write in a memo or the minutes of a meeting.
• v. To set down a short sketch or note of; to jot down; to make a minute or a brief summary of.
• adj. Very small.
• adj. Very careful and exact, giving small details.

nuclear

• adj. (biology) Pertaining to the nucleus of a cell.
• adj. Pertaining to a centre around which something is developed or organised; central, pivotal.
• adj. Pertaining to the atomic nucleus.
• adj. Involving energy released by nuclear reactions (fission, fusion, radioactive decay).
• adj. Of a weapon: deriving its force from rapid release of energy through nuclear reactions.
• adj. (by extension, metaphoric, of a solution or response) Involving the destruction of something.
• n. nuclear power.

substance

• n. Physical matter; material.
• n. The essential part of anything; the most vital part.
• n. Substantiality; solidity; firmness.
• n. Material possessions; estate; property; resources.
• n. A form of matter that has constant chemical composition and characteristic properties.
• n. Drugs (illegal narcotics).
• n. (theology) Hypostasis.

thermonuclear

• adj. Of, or relating to the fusion of atomic nuclei at high temperatures.
• adj. Of, or relating to the use of atomic weapons based on such fusion, especially as distinguished from those…