Otg

1. Abbreviation for Outdoor temperature gauge
2. Abbreviation for Outside temperature gauge

OTIS

Acronym for Overhead Travel Information System

OTR

1. Acronym for Off-road tire
2. Acronym for over-the-road

See also

• A-2 tire

Otto cycle

Four-stroke cycle consisting of the intake, Compression, firing, and Exhaust strokes, in honor of the German engineer Dr. Nikolaus Otto (1832- 1891) who first patented the design in 1876.

Also see

• Four-stroke cycle engine.

OTVS

Acronym for Oil thermal vacuum switch

☜ ☞