- catenation
- cater
- caternary line
- caterpillar chain
- caterpillar vehicle
- cathamplifier
- cathode screen
- cathodic corrosion
- cathodic protection
- cathodoluminescence
- catholyte
- cation
- catoptric
- cats" eyes
- catwhisker
- cauda
- caulk
- caulking
- caulking hammer
- causal
- caustic
- caustic alkali
- caustic label
- caustic soda
- causticity
- caution
- cave
- cave earth
- cavea
- caveat
- caved
- cavernous
- cavetto
- caving formation
- cavity brick
- cavity dam
- cavity magnetron
- cavity resonator
- CCD image
- cease acknowledge
- ceiling boarding
- ceiling fan
- ceiling lamp
- ceiling light
- ceiling panel
- ceiling plate
- ceiling sheeting
- ceiling slab
- ceiling temperature
- ceiling-mounted
- ceilometer
- celebrated
- celestial
- celestial equator
- celestial horizon
- celestial mechanics
- celestial navigation
- celiberty
- cell
- cell address
- cell concrete
- cell constant
- cell cover
- cell method
- cell room
- cell secondary
- cell-like
- cellar
- cellar cell
- celling fan
- cellophane
- cellular
- cellular abutment
- cellular concrete
- cellular dam
- cellular girder
- cellular glass
- cellular horn
- cellular material
- cellular moisture
- cellular phone
- cellular plastic
- cellular plastics
- cellular rubber
- cellular soil
- cellular striation
- cellular structure
- cellular telephone
- cellule
- celluloid varnish
- cellulose
- cellulose acetate
- cellulose fibers
- cellulose fibre
- cellulose fibres
- cellulose film
- cellulose nitrate
- Celsius degree
- cemenl
- cement