plural of money order

(geology) any rock containing commercially interesting amounts of copper

In a speedy manner; with dispatch; quickly.

Any gold ore that has a high copper content and therefore needs special processing before the normal cyanide process.

(idiomatic) The practice of flipping a coin in the air, to choose between two alternatives based on which side lands face up.

(now chiefly US) Inconsistent, unpredictable, erratic; sometimes succeeding and sometimes failing.

The harmonica / The panpipes / The Jew's harp

(Britain) A short period of time, which is usually announced by ringing a bell and is between 5 and 15 minutes long, just before closing time. This is normally before the public house is no longer allowed to serve alcoholic beverages due to licensing laws.

(mathematics, logic) Of one of a series of models, languages, relationship, forms of logical discourse, etc., being the simplest one or the first in a sequence. / Of fundamental importance.

(chemistry, physics) an atomic or molecular orbital whose energy increases as its constituent atoms are brought closer together - thus generating a repulsive force that hinders bonding