normal pitch
noun Machinery.
Origin of normal pitch
pitch
1verb (used with object)
- to lead (a card of a particular suit), thereby fixing that suit as trump.
- to determine (the trump) in this manner.
- to square (a stone), cutting the arrises true with a chisel.
- to cut with a chisel.
verb (used without object)
- to deliver or serve the ball to the batter.
- to fill the position of pitcher: He pitched for the Mets last year.
noun
- a high-pressure sales talk: The salesman made his pitch for the new line of dresses.
- a specific plan of action; angle: to tackle a problem again, using a new pitch.
- the nosing of an airplane or spacecraft up or down about a transverse axis.
- the distance that a given propeller would advance in one revolution.
- the distance between the corresponding surfaces of two adjacent gear teeth measured either along the pitch circle (circular pitch) or between perpendiculars to the root surfaces (normal pitch).
- the ratio of the number of teeth in a gear or splined shaft to the pitch circle diameter, expressed in inches.
- the distance between any two adjacent things in a series, as screw threads, rivets, etc.
Verb Phrases
- to begin to work in earnest and vigorously: If I really pitch in, I may be able to finish the paper before the deadline.
- to contribute to a common cause; join in: When they took up a collection for the annual dinner, he promised to pitch in.
- to attack verbally or physically: He apologized for pitching into me yesterday.
- to begin to work on vigorously.
Origin of pitch
1Synonyms for pitch
pitch
1verb
- to sing or play accurately (a note, interval, etc)
- (usually passive)(of a wind instrument) to specify or indicate its basic key or harmonic series by its size, manufacture, etc
- (tr)to throw (a baseball) to a batter
- (intr)to act as pitcher in a baseball game
noun
- the angle of descent of a downward slope
- such a slope
- the distance a propeller advances in one revolution, assuming no slip
- the blade angle of a propeller or rotor
- the auditory property of a note that is conditioned by its frequency relative to other noteshigh pitch; low pitch
- an absolute frequency assigned to a specific note, fixing the relative frequencies of all other notes. The fundamental frequencies of the notes A–G, in accordance with the frequency A = 440 hertz, were internationally standardized and accepted in 1939See also concert pitch (def. 1), international pitch
- to give verbal support to
- to attempt to attract (someone) sexually or romantically
Word Origin for pitch
pitch
2noun
verb
Word Origin for pitch
pitch
"resinous substance, wood tar," late 12c., pich, from Old English pic "pitch," from a Germanic borrowing (cf. Old Saxon and Old Frisian pik, Middle Dutch pik, Dutch pek, Old High German pek, German Pech, Old Norse bik) from Latin pix (genitive picis) "pitch," from PIE root *pi- "sap, juice" (cf. Greek pissa, Lithuanian pikis, Old Church Slavonic piklu "pitch;" see pine (n.)). Applied to pine resins from late 14c. Pitch-black is attested from 1590s; pitch-dark from 1680s.
pitch
c.1200, "to thrust in, fasten, settle," probably from an unrecorded Old English *piccean, related to prick (v.). The original past tense was pight. Sense of "set upright," as in pitch a tent (late 13c.), is from notion of "driving in" the pegs. Meaning to incline forward and downward" is from 1510s. Meaning "throw (a ball)" evolved late 14c. from that of "hit the mark." Musical sense is from 1670s. Of ships, "to plunge" in the waves, 1620s. To pitch in "work vigorously" is from 1847, perhaps from farm labor. Related: Pitched; pitching.
pitch
1520s, "something that is pitched," from pitch (v.1). Meaning "act of throwing" is attested from 1833. Meaning "act of plunging headfirst" is from 1762; sense of "slope, degree, inclination" is from 1540s; musical sense is from 1590s; but the connection of these is obscure. Sales pitch in the modern commercial advertising sense is from 1943, American English, perhaps from the baseball sense.
pitch
"to cover with pitch," Old English pician, from the source of pitch (n.2).
pitch
pitch
In addition to the idioms beginning with pitch
- pitched battle, a
- pitch in
- pitch into
- pitch on
- pitch woo
also see:
- black as night (pitch)
- in there pitching
- make a pitch for
- sales pitch
- wild pitch