A period of time equal to thirty minutes, half an hour. / The time of thirty minutes past any particular hour.

For sale at half the normal price.

For sale at half the normal price.

Alternative spelling of half volley

Alternative spelling of half cell

(chemistry) Either of two equations that describe each half of a redox reaction

(physics, chemistry) Either of the two parts of an electrochemical cell containing an electrode and an electrolyte.

(physics, figuratively) Any half of a roughly spherical-like object; any dome-shaped object.

(rare, colloquial, especially with "on the") Inexpensive; not overpriced.

plural of half shell