Black lead
() Plumbago |
Lead
(n.) One of the elements, a heavy, pliable, inelastic metal, having a bright, bluish color, but easily tarnished. It is both malleable and ductile, though with little tenacity, and is used for tubes, sheets, bullets, etc. Its specific gravity is 11.37. It is easily fusible, forms alloys with other metals, and is an ingredient of solder and type metal. Atomic weight, 206.4. Symbol Pb (L. Plumbum). It is chiefly obtained from the mineral galena, lead sulphide. |
Lead
(n.) An article made of lead or an alloy of lead |
Lead
(n.) A plummet or mass of lead, used in sounding at sea. |
Lead
(n.) A thin strip of type metal, used to separate lines of type in printing. |
Lead
(n.) Sheets or plates of lead used as a covering for roofs |
Lead
(n.) A small cylinder of black lead or plumbago, used in pencils. |
Lead
(v. t.) To cover, fill, or affect with lead |
Lead
(v. t.) To place leads between the lines of |
Lead
(v. t.) To guide or conduct with the hand, or by means of some physical contact connection |
Lead
(v. t.) To guide or conduct in a certain course, or to a certain place or end, by making the way known |
Lead
(v. t.) To conduct or direct with authority |
Lead
(v. t.) To go or to be in advance of |
Lead
(v. t.) To draw or direct by influence, whether good or bad |
Lead
(v. t.) To guide or conduct one's self in, through, or along (a certain course) |
Lead
(v. t.) To begin a game, round, or trick, with |
Lead
(v. i.) To guide or conduct, as by accompanying, going before, showing, influencing, directing with authority, etc. |
Lead
(v. t.) To tend or reach in a certain direction, or to a certain place |
Lead
(n.) The act of leading or conducting |
Lead
(n.) precedence |
Lead
(n.) The act or right of playing first in a game or round |
Lead
(n.) An open way in an ice field. |
Lead
(n.) A lode. |
Lead
(n.) The course of a rope from end to end. |
Lead
(n.) The width of port opening which is uncovered by the valve, for the admission or release of steam, at the instant when the piston is at end of its stroke. |
Lead
(n.) the distance of haul, as from a cutting to an embankment. |
Lead
(n.) The action of a tooth, as a tooth of a wheel, in impelling another tooth or a pallet. |
Twin
(a.) Being one of two born at a birth |
Twin
(a.) Being one of a pair much resembling one another |
Twin
(a.) Double |
Twin
(a.) Composed of parts united according to some definite law of twinning. See Twin, n., 4. |
Twin
(n.) One of two produced at a birth, especially by an animal that ordinarily brings forth but one at a birth |
Twin
(n.) A sign and constellation of the zodiac |
Twin
(n.) A person or thing that closely resembles another. |
Twin
(n.) A compound crystal composed of two or more crystals, or parts of crystals, in reversed position with reference to each other. |
Twin
(v. i.) To bring forth twins. |
Twin
(v. i.) To be born at the same birth. |
Twin
(v. t.) To cause to be twins, or like twins in any way. |
Twin
(v. t.) To separate into two parts |
Twin
(v. i.) To depart from a place or thing. |
twin bill
doubleheader
double feature | two games instead of one (especially in baseball when the same two teams play two games on the same day) |
| lead | the playing of a card to start a trick in bridge, the lead was in the dummy |
| lead | a position of leadership (especially in the phrase `take the lead'), he takes the lead in any group, we were just waiting for someone to take the lead, they didn't follow our lead |
| clip lead | a short piece of wire with alligator clips on both ends |
counterpart
similitude
twin | a duplicate copy |
double-prop
double-propeller plane
twin-prop
twin-propeller-plane | a propeller plane with an engine that drives two propellers in opposite directions (for stability) |
jumper cable
jumper lead
lead booster cable | a jumper that consists of a short piece of wire, it was a tangle of jumper cables and clip leads |
lead
pencil lead | mixture of graphite with clay in different degrees of hardness, the marking substance in a pencil |
| lead leading | thin strip of metal used to separate lines of type in printing |
lead-acid battery
lead-acid accumulator | a battery with lead electrodes with dilute sulphuric acid as the electrolyte, each cell generates about volts |
| lead-in | wire connecting an antenna to a receiver or a transmitter to a transmission line |
lead line
sounding line | (nautical) plumb line for determining depth |
| lead pencil | pencil that has graphite as the marking substance |
leash
tether
lead | restraint consisting of a rope (or light chain) used to restrain an animal |
| sounding lead | a metal bob at the end of a sounding line |
| twin bed | one of a pair of identical beds |
widebody aircraft
wide-body aircraft
wide-body
twin-aisle airplane | a commercial airliner with two aisles |
World Trade Center
WTC
twin towers | twin skyscrapersstories high in New York City, built feet tall into , destroyed by a terrorist attack on September , |
spark advance
lead | the timing of ignition relative to the position of the piston in an internalombustion engine |
| lead | an advantage held by a competitor in a race, he took the lead at the last turn |
lead
track
trail | evidence pointing to a possible solution, the police are following a promising lead, the trail led straight to the perpetrator |
lead lead-in
lede | the introductory section of a story, it was an amusing lead-in to a very serious matter |
lead
lead story | a news story of major importance |
tip
lead steer
confidential information
wind
hint | an indication of potential opportunity, he got a tip on the stock market, a good lead for a job |
| lead sheet | a sheet containing the words and melody for a song (and some indication of harmony) written in simple form |
lead bank
agent bank | a bank named by a lending syndicate of several banks to protect their interests |
| lead | (baseball) the position taken by a base runner preparing to advance to the next base, he took a long lead off first |
| Twin Falls | a town on the Snake River in south central Idaho near the Twin Falls |
| Twin Cities | nickname for Saint Paul and Minneapolis |
Twin
Twin Falls | a waterfall in the Snake River in southern Idaho |
Gemini
Twin | (astrology) a person who is born while the sun is in Gemini |
fraternal twin
dizygotic twin | either of two twins who developed from two separate fertilized eggs |
identical twin
monozygotic twin
monozygous twin | either of two twins developed from the same fertilized ovum (having the same genetic material) |
Siamese twin
conjoined twin | one of a pair of identical twins born with their bodies joined at some point |
star
principal lead | an actor who plays a principal role |
| twin | either of two offspring born at the same time from the same pregnancy |
lead tree
white popinac
Leucaena glauca
Leucaena leucocephala | low scrubby tree of tropical and subtropical North America having white flowers tinged with yellow resembling mimosa and long flattened pods |
leadplant
lead plant
Amorpha canescens | shrub of sandy woodlands and stream banks of western United States having hoary pinnate flowers and dullolored racemose flowers, thought to indicate the presence of lead ore |
| lead | (sports) the score by which a team or individual is winning |
| lead | the angle between the direction a gun is aimed and the position of a moving target (correcting for the flight time of the missile) |
lead poisoning
plumbism
saturnism | toxic condition produced by the absorption of excessive lead into the system |
lead colic
painter's colic | symptom of chronic lead poisoning and associated with obstinate constipation |
| lead arsenate | a poisonous white solid (Pb[AsO]) used as an insecticide |
tetraethyl lead
lead tetraethyl | a clear oily poisonous liquid added to gasoline to prevent knocking |
lead
Pb
atomic number | a soft heavy toxic malleable metallic element, bluish white when freshly cut but tarnishes readily to dull grey, the children were playing with lead soldiers |
cerussite
white lead ore | a mineral consisting of lead carbonate that is an important source of lead |
pyromorphite
green lead ore | a mineral consisting of lead chloride and phosphate, a minor source of lead |
| red-lead putty | a cement resembling putty, made by mixing white and red lead in boiled linseed oil, used as luting on pipe fittings |
graphite
black lead
plumbago | used as a lubricant and as a moderator in nuclear reactors |
| lead chromate | a poisonous chromate of lead used as a pigment in paint |