Definition of First gear

1. Noun. The lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving.

Exact synonyms: First, Low, Low Gear
Group relationships: Auto, Automobile, Car, Machine, Motorcar
Generic synonyms: Gear, Gear Mechanism

Definition of First gear

1. Noun. The first gear of an engine, which provides the lowest output speed and greatest mechanical advantage. ¹

¹ Source:

First Gear Pictures

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Lexicographical Neighbors of First Gear

first dibs
first down
first duodenal sphincter
first e-rights
first estate
first fiddle
first finger
first flight cover
first flight covers
first floor
first folio
first footing
first freedom fights
first fruits
first fundamental form
first gear (current term)
first gears
first grade
first grades
first half
first hand
first harmonic
first heart sound
first imperative
first imperatives
first in first out
first innings
first inversion
first inversions
first island chain

Literary usage of First gear

Below you will find example usage of this term as found in modern and/or classical literature:

1. Dyke's Automobile and Gasoline Engine Encyclopedia by Andrew Lee Dyke (1920)
"Then with a firm, sharp motion move it into first gear. ... Continue to run "the car very slowly on first gear until yon be come accustomed to the sensation ..."

2. International Library of Technology: A Series of Textbooks for Persons by International Textbook Company (1903)
"Multiply the lead of the spiral or helix in inches by tiic number of teeth of the feed-screw gear and the first gear on stud. Divide the product by the ..."

3. The Horseless Age (1904)
"first gear, 7 PITCH ; OTHERS, 8 PITCH. gears, and the result is given in tables V and VI: In studying the above tables, particularly Table V, ..."

4. Handbook for Machine Designers and Draftsmen by Frederick Arthur Halsey (1913)
"300:15.2 = 19.7 to i This gear ratio is exactly the square of the first gear ratio. The three divisions of speeds will thus have gears forming a geometrical ..."

5. Lathe Design for High- and Low-speed Steels: A Treatise on the Kinematical by John Thomas Nicolson, Dempster Smith (1908)
"first gear of the 1st set, I. Kl = g | Second „ „ I. R2 = gr? j Third „ „ I. R3 ... Be = jr*-+»+c-ii, And so on first gear of the nth set, NR1 = Second , ..."

6. Machine Drawing: A Text and Problem Book for Technical Students and Draftsmen by Carl Lars Svensen (1921)
"... follow: TI = number of teeth in first gear Ni = revolutions per minute of first gear DI = diameter of first gear Ri = radius of first gear TI = number ..."

7. Mechanism by Robert McArdle Keown (1921)
"... of the first gear, by the continued product of the teeth or pitch diameters of all the driven gears. It is not necessary that the same unit be used ..."

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