(baseball) A moderate rotation speed backspin pitch thrown with a ball gripped between the index finger and middle finger; it has good velocity, may have a precessing spin, and sinks as it approaches the plate.

(phonology) a phonemic split of the phoneme /æ/ into a short /æ/ and a long /æː/, as heard in some varieties of British and Australian English, in which "bad" is pronounced /bæːd/ and "lad" is pronounced /læd/

(linguistics) a vowel split in some varieties of English (such as British English as spoken in southern England, American English spoken in Boston, and Australian, New Zealand and South African English) in which the phoneme /æ/, as pronounced in other varieties of English, is pronounced in some words as /ɑː/.

(mathematics) An element of the two-dimensional algebra over the field of real numbers which contains an element ȷ ≠ 1 satisfying ȷ² = 1.

(bowling) A split where the farthest-left and farthest-right pins are the only pins left standing.

(phonology) A phonemic split, in some varieties of English without the cot-caught merger, in which the vowel in words like "cloth" and "off" is pronounced with the same vowel as in "thought", as opposed to the vowel used in "lot".

(poker) The rule, present in the game Omaha high-low split, of dividing the pot in half, between the player with the highest and lowest-ranking. / (poker) The game Omaha high-low split.

(electrical engineering) A type of electrical power distribution system using two line wires connected to the ends of a distribution transformer and a grounded neutral wire connected to the center tap of the transformer, allowing loads to be connected between line and neutral and receive the normal line voltage (120 or 240 volts), or between the two opposite-phase line wires and receive twice the normal line voltage (240 or 480 volts).

plural of split-complex number

plural of 7-10 split