backblockA remote tract of land in the interior; hence (in plural) sparsely populated country far from major cities and lacking conveniences common in urban areas.
backblowThe act of striking with the back of the hand.
backboardThe flat vertical surface to which the basket is attached.
backboneThe series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.
backbriefA summary of a received briefing, given by the briefed person to the commanding officer, to ensure that instructions have been properly understood.
backbulgeThe depozone farthest from the orogen in a foreland basin.
backburnA controlled burn, lit in the path of a wildfire, in order to deprive it of combustible material.
backdatingThe act by which something is backdated.
backdeepA deeply subsiding, epieugeosynclinal basin or trough (epieugeosyncline) with no or limited volcanism (associated with narrow uplifts over a deformed, intruded eugeosyncline, from which it derives its sediments); a postorogenic geosynclinal basin.
backdiluteTo dilute a solution that has become concentrated (typically in a quantitative manner)
backdirtDirt or sediment that has been sifted and examined and has no further interest.
backdonationThe transfer of one or more electrons from an atomic orbital of an atom to an antibonding orbital of a ligand.
backdownAn act of backing down; a retraction or withdrawal.
backdraftSudden, dangerous recombustion that occurs when there is a rapid reintroduction of oxygen to an enclosed space containing a fire.
backdrivabilityThe ability of a system of gears to be operated by applying a force to the output, transmitting force through the geartrain in the reverse of the usual direction.
backdrivableAble to be operated by applying a force to the output, transmitting force through the gear train in the reverse of the usual direction.
backdriveoperated a system of gears by applying a force to the output, transmitting force through the geartrain in the reverse of the usual direction.
backdropA decorated cloth hung at the back of a stage.
backduneOne of a pair of sand dunes, furthest from the coast, separated from a foredune by a trough
backerOne who, or that which, backs; especially one who backs an entrant in a contest, or who supports an enterprise by funding it.
backerboardBoards used as underlayment for tile, plaster, or other materials.
backetA shallow wooden trough for carrying ashes, coals, etc.
backfaceThe back side of a face of a mesh, which typically will never face the camera and can thus be culled (discarded) from the list of items to be rendered.
backfireA premature explosion in the cylinder of a gas or oil engine during the exhaust or the compression stroke, tending to drive the piston in the wrong direction.
backgameA game in which a player blocks the opponent's progress by forming two or more points in the opponent's home board.
backgammonA board game for two players in which each has 15 stones which move between 24 triangular points according to the roll of a pair of dice; the object is to move all of one's pieces around, and bear them off the board.
backgrounderA briefing or document typically provided prior to a meeting or other event that gives basic details on subjects that are likely to be mentioned.
backgroundingThe act by which something is backgrounded, in any sense.
backgroundySuitable for, or resembling, a background.
backhandA stroke made across the chest from the off-hand side to the racquet hand side; a stroke during which the back of the hand faces the shot.
backhoeA piece of excavating equipment, either an integral subassembly or an attachment, consisting of a digging bucket or scoop on the end of an articulated arm, drawn backwards to move earth; used in excavator/digger and backhoe tractors.
backhouseAn outbuilding behind the main building, or an annex attached to the rear of it; especially, a scullery or washhouse.
backieA ride on the back of a bicycle or motorbike.
BackilingA barangay of Aparri, Cagayan, Philippines.