Crocket
An
ornament of curved leaves or flowers on a curving stalk, which is used
to decorate the angles of roofs, gables, etc., primarily with Gothic architecture.
Crook
A
bend or curve making a warp in the length of a board to create a curved
edge.
Cross
Plumbing
fitting which joins four lines together.
Cross
Beam
A
transverse beam. A beam placed across another or from one wall to another.
Cross
Band
Veneer
layers, in plywood, where grain direction is perpendicular to that of the
face plies.
Cross
Bond
Brickwork
pattern where joints of alternating courses line up over the centers of
the courses on either side
Cross
Brace
Small
pieces of wood that are used to add stability to the structural members.
Placing them at angles so that they reach from the bottom of one floor
joist to the top of the adjoining joist, bridging the floor joists. Alternately
called cross bridging.
Cross
Break
A
separation or division that is across the grain in a piece of lumber.
Cross
Bridging
Small
pieces of wood that are used to add stability to the structural members.
Placing them at angles so that they reach from the bottom of one floor
joist to the top of the adjoining joist, bridging the floor joists. Alternately
called cross bracing.
Cross
Connection
Line
connecting two piping systems.
Cross
Filing
Alternating
filing strokes at a 90-degree angle.
Cross
Grain
Departure
of lines of grain from running parallel to the edges of a board. They are
either diagonal or spiral or a combination of both.
Cross
Hairs
Crossed
lines of fine wire, mounted on the front lens of a telescopic sight, surveyor's
level, etc. to assist in precise aiming or centering of the instrument.
Cross
Joint
Joint
between the ends of two masonry units.
Cross
Peen Hammer
Hammer
with a head with one cylinder shaped head with a flat face and the other
end wedge-like with the wedge having a rounded edge. This metal working
hammer is used for chipping hard surfaces.
Cross
Section
1.
A drawing or photograph of a plane surface exposed by cutting through.
2.
A vertical section of the ground surface taken at right angles to a survey
line.
Cross
Sectional Area
The
surface area of a cutting to create a cross section.
Cross
Shaft
Bridge
crane shaft, which connects the drive, motor to a wheel at each end of
the bridge and used to transmit power. Alternately called a squaring shaft
or drive shaft.
Cross
Spraying
Spray
painting in directions at right angles to each other to lay an even coat
of paint.
Cross
Tees
Supports
of the ceiling tiles used in a drop or suspended ceiling.
Cross
Tie
Horizontal
structural member.
Cross
Ventilation
Use
of windows or vents on opposite sides of an area to circulate air.
Cross-bedded
Having
layers of laminations oblique or transverse to the main beds of stratified
rock. For example, after a cut has been made, the layers can be seen from
the side.
Cross-bridging
Bracing
cross members between beams to strengthen a structure.
Cross-garnet
Tee-shaped
hinge.
Cross-grained
Wood
grain, which runs irregularly in a pattern not along the length of a board.
Cross-level
Elevation,
which is taken at right angles to the main surveying level.
Cross-line
Buried
line crossing the line of a pending excavation.
Crosswalk
Pedestrian
crossing in a vehicular roadway.
Crotch
A
forked place as where a tree trunk divides into branches or any member
branching out from a common base.
Crotchet
Small
hook-like item.
Crowbar
Pry
bar made of heavy metal, used for prying nails, with one end made into
a wedge and the other bent into a hook with a claw foot.
Crowd
Moveable
arm, which connects to the bucket on a backhoe.
Crowding
the Line
A
masonry term for laying units so that they touch the mason's guideline.
Crown
1.
The highest part of something.
2.
Outward bowing of a board.
3.
Joint compound buildup over taped joints of wallboard.
Crown
Molding
A
type of molding, with a curved face and chamfers on the edges, used around
the top of a room where the wall meets the ceiling.
Crown
Plug
Screw-in
plug used in a floor-mounted electrical box.
Crown
Saw
Cylinder
with cutting teeth in the end, which is mounted on an arbor and turned
in a drill for hole cutting.
Crown
Weir
The
interior projection in the outlet side of a P-trap to aid in maintaining
the water seal in the trap.
Crowning
Framing
installation of boards with the crown up.
Crows
Foot
Marked
survey stake, which shows the cuts and fills needed during earth grading.
CRS
see
Certified Residential
Specialist.
CRT
Cathode
Ray Tube. Monitor screen of a computer.
Crucible
Container
made of substance highly resistant to great heat, for melting, fusing,
heating or transferring molten material.
Crud
Layer
of dirt, filth grease or any foreign matter.
Crude
Raw
or natural condition. Not refined or processed. Unfinished. Rough.
Crumbling
Shoe
Shoe,
which is used on a wheel trencher to push dirt back into the trencher,
buckets so it does not fall into the trench.
Crust
Solid,
rocky outer portion of the earth.
Cryogen
A
refrigerant such as liquid nitrogen, liquid oxygen or liquid hydrogen.
Liquefied gas takes up less volume than when in gas form. Nitrogen liquefies
at -320 degrees F and Oxygen at -297 degrees F.
Cryogenic
Liquid
Liquefied
gas.
Cryogenics
Science
dealing with the production of very low temperatures and their effects
on the properties of matter.
Cryostat
A
regulator for maintaining a constant low temperature. An insulated vessel,
which maintains a constant low temperature.
Crypt
An
underground chamber or vault.