12-letter words containing roc
- shamrock-pea — a trailing plant, Parochetus communis, of the legume family, native to Asia and east Africa, having shamrocklike leaves with a brown crescent at the base and pea-shaped, pink and blue flowers.
- siderochrome — any of various chemical compounds functioning in the transport of iron in bacteria.
- solid rocket — any of various rockets using solid fuel
- spirochaetal — resulting from spirochaetes
- throckmorton — Francis. 1554–84, English conspirator, who with French and Spanish support plotted (1583) to depose Elizabeth I in favour of Mary, Queen of Scots: executed
- trochanteric — belonging or relating to a trochanter
- trocheameter — a device that records the distance that a motor vehicle has travelled
- trochelminth — any invertebrate of the phylum Trochelminthes (now usually broken up into several phyla), comprising the rotifers, gastrotrichs, and several other forms.
- unit process — any of a number of standard operations, such as filtration or distillation, that are widely used in various chemical and process industries
- unprocedural — not procedural, not following proper procedures
- unproclaimed — to announce or declare in an official or formal manner: to proclaim war.
- unprocurable — obtainable.
- unreciprocal — given or felt by each toward the other; mutual: reciprocal respect.