line of equal variation of the compass
71Vernier — Ver ni*er, n. [So named after the inventor, Pierre Vernier.] A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so graduated… …
72Vernier calipers — Vernier Ver ni*er, n. [So named after the inventor, Pierre Vernier.] A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so… …
73Vernier gauge — Vernier Ver ni*er, n. [So named after the inventor, Pierre Vernier.] A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so… …
74Vernier transit — Vernier Ver ni*er, n. [So named after the inventor, Pierre Vernier.] A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so… …
75Slide rule — For other uses, see Slide rule (disambiguation). A typical ten inch student slide rule (Pickett N902 T simplex trig). The slide rule, also known colloquially as a slipstick,[1] is a mechanical analog computer. The slide rule is used primarily for …
76Indian English — is an umbrella term used to describe dialects of the English language spoken primarily in the Republic of India. As a result of British colonial rule until Indian independence in 1947, English remains an official language of India and continues… …
77geography — /jee og reuh fee/, n., pl. geographies. 1. the science dealing with the areal differentiation of the earth s surface, as shown in the character, arrangement, and interrelations over the world of such elements as climate, elevation, soil,… …
78Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …
79measure — Synonyms and related words: A, Alexandrine, Spenserian stanza, Stabreim, a, accent, accent mark, accentuation, accommodate, accommodation, accomplished fact, accomplishment, accord, achievement, acreage, act, acta, action, ad hoc measure, adapt,… …
80Uranus — /yoor euh neuhs, yoo ray /, n. 1. Astron. the planet seventh in order from the sun, having an equatorial diameter of 32,600 miles (56,460 km), a mean distance from the sun of 1,784 million miles (2,871 million km), a period of revolution of 84.07 …
