a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
rock drill
Noun
a drill for penetrating rock
recall dose
Noun
an additional dose that makes sure the first dose was effective
relay link
Noun
an amplifier for restoring the strength of a transmitted signal
relay station
Noun
an amplifier for restoring the strength of a transmitted signal
relay transmitter
Noun
an amplifier for restoring the strength of a transmitted signal
rim
Noun
the top edge of a vessel or other container
rim
Noun
a projection used for strength or for attaching to another object
rim
Noun
the outer part of a wheel to which the tire is attached
rim
Noun
(basketball) the hoop from which the net is suspended
rim
Noun
the shape of a raised edge of a more or less circular object
rim
Verb
roll around the rim of
rim
Verb
furnish with a rim
rim
Verb
run around the rim of
roadster
Noun
a small lightweight carriage
roadster
Noun
an open automobile having a front seat and a rumble seat
rear of barrel
Noun
opening in the rear of the barrel of a gun where bullets can be loaded
rear of tube
Noun
opening in the rear of the barrel of a gun where bullets can be loaded
robot bomb
Noun
a small jet-propelled winged missile that carries a bomb
refugee camp
Noun
shelter for persons displaced by war or political oppression or for religious beliefs
register
Noun
a cashbox with an adding machine to register transactions
register
Noun
a regulator (as a sliding plate) for regulating the flow of air into a furnace or other heating device
register
Noun
an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room
register
Noun
(computer science) memory device that is the part of computer memory that has a specific address and that is used to hold information of a specific kind
register
Noun
(music) the timbre that is characteristic of a certain range and manner of production of the human voice or of different pipe organ stops or of different musical instruments
register
Noun
an official written record of names or events or transactions
register
Noun
a book in which names and transactions are listed
register
Verb
enter into someone's consciousness
register
Verb
indicate a certain reading
register
Verb
record in a public office or in a court of law
register
Verb
send by registered mail
register
Verb
manipulate the registers of an organ
register
Verb
be aware of
register
Verb
show in one's face
register
Verb
enroll to vote
register
Verb
record in writing
register
Verb
have one's name listed as a candidate for several parties
rubber tire
Noun
a tire consisting of a rubber ring around the rim of an automobile wheel
round shot
Noun
a solid projectile that in former times was fired from a cannon
railcar
Noun
a wheeled vehicle adapted to the rails of railroad
railway car
Noun
a wheeled vehicle adapted to the rails of railroad
railroad car
Noun
a wheeled vehicle adapted to the rails of railroad
rug beater
Noun
implement for beating dust out of carpets
rug pad
Noun
a pad placed under a carpet
ring mail
Noun
(Middle Ages) flexible armor made of interlinked metal rings
ring armor
Noun
(Middle Ages) flexible armor made of interlinked metal rings
ring armour
Noun
(Middle Ages) flexible armor made of interlinked metal rings
Roman collar
Noun
a stiff white collar with no opening in the front
round top
Noun
a canvas tent to house the audience at a circus performance