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city or tendency to expand or dilate; diffusive; of much expanse; wide-extending; as, the expansive force of heat; the expansive quality of air. A more expansive and generous compassion. Eustace. His forehead was broad and expansive. Prescott. -- Ex*pan"sive*ly, adv. -Ex*pan"sive*ness, n.

An instrument for determining the expansive properties, or quality, of gluten in flour. Knight.

e; as, the engine or steamer is blowing off. -- To blow out. (a) To be driven out by the expansive force of a gas or vapor; as, a steam cock or valve sometimes blows out. (b) To talk violently or abusively. [Low] -- To blow over, to pass away without effect; to cease, or be dissipated; as, the storm and the clouds hav…

definite point in a stroke, so as to allow the remainder of the stroke to be made by the expansive force of the steam already let in. See Expansion gear, under Expansion.

Causing dilation; tending to dilate, on enlarge; expansive. Coleridge.

Expansive; diffusive. [R.]

Outreaching; expansive; extended, superficially or otherwise. Men and gods are too extense; Could you slacken and condense Emerson.

tting off steam at a certain part of the stroke, so as to leave it to act upon the piston expansively; the cut-off. See under Expansion. -- Feed gear. See Feed motion, under Feed, n. -- Gear cutter, a machine or tool for forming the teeth of gear wheels by cutting. -- Gear wheel, any cogwheel. -- Running gear. See…

pring which throws forth at frequent intervals jets of water, mud, etc., driven up by the expansive power of steam.

The lowest grade of flour in milling. It is dark and of little expansive power, is secured largely from the germ or embryo and adjacent parts, and contains a relatively high percentage of protein. It is chiefly useful as feed for farm animals.

Expansive force; the force with which the particles of a body, as a gas, tend to recede from each other and occupy a larger space; elastic force; elasticity; as, the tension of vapor; the tension of air.

Distended beyond the natural state by some internal agent or expansive force; swelled; swollen; bloated; inflated; tumid; -- especially applied to an enlarged part of the body; as, a turgid limb; turgid fruit. A bladder . . . held near the fire grew turgid. Boyle.

multiplied by 28.8, gives the molecular weight. -- Vapor engine, an engine worked by the expansive force of a vapor, esp. a vapor other than steam.