12-letter words containing c, d, r, o
- dutch borneo — the former name of the southern and larger part of the island of Borneo: now part of Indonesia.
- dutch clover — white clover.
- dutch harbor — a U.S. naval base on Unalaska Island, in the Aleutian Islands.
- duty of care — the legal obligation to safeguard others from harm while they are in your care, using your services, or exposed to your activities
- duty officer — In the police or armed forces, a duty officer is an officer who is on duty at a particular time.
- dwarf cornel — the bunchberry.
- dynamometric — Relating to dynamometry.
- echinodermal — (zoology) Relating or belonging to the echinoderms.
- echo sounder — a sonar instrument that uses echolocation to measure depths under water.
- eco-friendly — environmentally safe
- ectrodactyly — the congenital absence of part or all of one or more fingers or toes.
- eden project — an environmental complex containing the world's largest greenhouse, built in a disused clay pit near St Austell, Cornwall, to study plant populations in a variety of environments
- edulcorating — Present participle of edulcorate.
- edulcoration — (rare) A sweetening.
- edulcorative — edulcorant
- electrocuted — Simple past tense and past participle of electrocute.
- electrolyzed — Simple past tense and past participle of electrolyze.
- electrosonde — a sonde that measures the electric potential in the atmosphere
- electrotyped — Simple past tense and past participle of electrotype.
- enchiridions — Plural form of enchiridion.
- end effector — The end effector of an actuator is the part that comes into contact with the object being moved or controlled.
- endocarditic — Having or relating to endocarditis.
- endocarditis — Inflammation of the endocardium.
- endocervical — Within a cervix.
- endochondral — occurring, or present, in cartilage
- endotracheal — Situated or occurring within or performed by way of the trachea.
- endovascular — Within a blood vessel.
- eradications — Plural form of eradication.
- ex-directory — phone number: not listed publicly
- expectorated — Simple past tense and past participle of expectorate.
- farm produce — agricultural products regarded collectively
- fascia-board — a band or fillet, as for binding the hair.
- ferric oxide — a dark-red, crystalline, water-insoluble solid, Fe 2 O 3 , occurring naturally, as hematite and rust, or synthesized: used chiefly as a pigment, as a mordant, as a coating for magnetic recording tape, and in the manufacture of polishing compounds.
- ferrocyanide — a salt of ferrocyanic acid, as potassium ferrocyanide, K 4 Fe(CN) 6 .
- ferrofluidic — Of or pertaining to a ferrofluid.
- fidel castro — Cipriano [sip-ree-ah-noh;; Spanish see-pree-ah-naw] /ˌsɪp riˈɑ noʊ;; Spanish ˌsi priˈɑ nɔ/ (Show IPA), 1858?–1924, Venezuelan military and political leader: president 1901–08; exiled 1908.
- field cornet — a commander of burgher troops called up in time of war or in an emergency, esp during the 19th century
- flower child — (especially in the 1960s) a young person, especially a hippie, rejecting conventional society and advocating love, peace, and simple, idealistic values.
- fluoroscoped — Simple past tense and past participle of fluoroscope.
- food counter — a counter in a shop, bar, cafeteria, etc where food is sold or served
- food service — the preparation, delivery, serving, etc., of ready-to-eat foods: The cafeteria employs over 20 people in food service.
- forced entry — entry into a building by force, eg by forcing a lock
- forced march — any march that is longer than troops are accustomed to and maintained at a faster pace than usual, generally undertaken for a particular objective under emergency conditions.
- forced-draft — using a flow of air or air forced through a pipe or system of pipes by fans or blowers: a forced-draft central heating system.
- forked chain — branched chain.
- fort detrick — a military reservation in N Maryland, NW of Frederick.
- forty-second — next after the forty-first; being the ordinal number for 42.
- foster child — a child raised by someone who is not its natural or adoptive parent.
- four old cat — three old cat played with four batters.
- fractionated — Simple past tense and past participle of fractionate.