18-letter words containing g, y, m, n, o
- phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
- plane trigonometry — the branch of trigonometry dealing with plane triangles.
- psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
- publishing company — a firm which publishes books
- registered company — a company which has officially registered its business
- repayment mortgage — a mortgage that you pay back in monthly repayments which consist of the accrued interest in addition to the original amount borrowed
- rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
- running commentary — non-stop description of sth
- significant symbol — a verbal or nonverbal gesture, as a word or smile, that has acquired a conventionalized meaning.
- sling psychrometer — a psychrometer so designed that the wet-bulb thermometer can be ventilated, to expedite evaporation, by whirling in the air.
- state of emergency — If a government or other authority declares a state of emergency in an area, it introduces special measures such as increased powers for the police or army, usually because of civil disorder or because of a natural disaster such as an earthquake.
- summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
- synthetic geometry — elementary geometry, as distinct from analytic geometry.
- system-programming — a program, as an operating system, compiler, or utility program, that controls some aspect of the operation of a computer (opposed to application program).