co
1. [ noun ] (chemistry) a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
Synonyms: atomic_number_27 cobalt
Related terms: metallic_element cobalt_60 smaltite cobaltite
2. [ noun ] (chemistry) a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
Synonyms: carbon_dioxide co2 carbonic_acid_gas
Related terms: dioxide greenhouse_emission chokedamp
3. [ noun ] (government,geography) a state in west central United States in the Rocky Mountains
Synonyms: Colorado Centennial_State
Related terms: American_state US Denver North_Platte South_Platte Pike's_Peak mount_sherman Republican rocky_mountain_national_park mesa_verde_national_park pueblo boulder colorado_plateau Colorado Arkansas san_juan_mountains Colorado_Springs
4. [ noun ] (chemistry) an odorless very poisonous gas that is a product of incomplete combustion of carbon
Synonyms: carbon_monoxide_gas carbon_monoxide
Related terms: monoxide
5. [ noun ] (military) one who refuses to serve in the armed forces on grounds of conscience
Synonyms: conscientious_objector
Related terms: dissenter
Similar spelling:   Coy
  cow
  coo
  Coe
  co2
  coho
  C
  Cowie
  Couey
  cohoe
  Cohee