Phrases & compounds
Compound addition, subtraction, multiplication, division —
the addition, subtraction, etc., of compound numbers.
Compound crystal —
a twin crystal, or one seeming to be made up of two or more crystals combined according to regular laws of composition.
Compound engine —
a form of steam engine in which the steam that has been used in a high-pressure cylinder is made to do further service in a larger low-pressure cylinder, sometimes in several larger cylinders, successively.
Compound ether —
See under
Ether.
Compound flower —
a flower head resembling a single flower, but really composed of several florets inclosed in a common calyxlike involucre, as the sunflower or dandelion.
Compound householder —
a householder who compounds or arranges with his landlord that his rates shall be included in his rents.
Compound leaf —
a leaf having two or more separate blades or leaflets on a common leafstalk.
Compound number —
one constructed according to a varying scale of denomination; as, 3 cwt., 1 qr., 5 lb.; -- called also denominate number.
Compound pier —
a clustered column.
Compound quantity —
a quantity composed of two or more simple quantities or terms, connected by the sign + (plus) or - (minus). Thus, a + b - c, and bb - b, are compound quantities.
Compound ratio —
the product of two or more ratios; thus ab:cd is a ratio compounded of the simple ratios a:c and b:d.
Compound rest —
the tool carriage of an engine lathe.
Compound screw —
a screw having on the same axis two or more screws with different pitch (a differential screw), or running in different directions (a right and left screw).
Compound time —
that in which two or more simple measures are combined in one; as, 6-8 time is the joining of two measures of 3-8 time.
Compound word —
a word composed of two or more words; specifically, two or more words joined together by a hyphen.