12-letter words containing si
- cavaco silva — Aníbal (aˈnibal). born 1939, Portuguese statesman; prime minister (1985–95); president (2006–16)
- central asia — a region of Asia from the Caspian Sea in the west to central China in the east, and from southern Russia in the north to northern India in the south. It includes the five former Soviet republics of Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, as well as Afghanistan and parts of Iran, China, Mongolia, Pakistan, India, and southwestern Siberia.
- centralising — Present participle of centralise.
- ceratopsians — Plural form of ceratopsian.
- cerebrosides — Plural form of cerebroside.
- chance music — aleatory music.
- channelising — Present participle of channelise.
- chemiosmosis — the mechanism by which the synthesis and utilization of the biochemical energy source ATP is regulated: the energy generated by oxidative phosphorylation generates a proton gradient across the membrane of the mitochondrion that drives the enzymic resynthesis of ATP
- chemokinesis — the random movement of cells, such as leucocytes, stimulated by substances in their environment
- chromatopsia — an irregularity in the ability to see colours properly
- chromidrosis — the secretion of pigmented sweat.
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin
- circassienne — a kind of light cashmere
- circumcising — Present participle of circumcise.
- circumcision — surgical removal of the foreskin of males
- circumfusile — able to be diffused or poured around
- circumfusing — Present participle of circumfuse.
- circumfusion — to pour around; diffuse.
- cladogenesis — adaptive evolution leading to a greater variety of species
- clams casino — broiled clams topped with garlic butter, bacon, bread crumbs, etc. and served in their bottom shells
- classicalism — classicism
- classicality — (uncountable) The condition of being classical.
- classicistic — Of or pertaining to classicism.
- classifiable — to arrange or organize by classes; order according to class.
- clearsighted — seeing clearly
- cleptobiosis — an ecological relationship in which members of one species, as of ants, steal food from another.
- clinozoisite — a monoclinic mineral, hydrous calcium aluminum silicate, a variety of epidote, dimorphous with zoisite.
- closing date — The closing date for a competition or offer is the final date by which entries or applications must be received.
- closing time — Closing time is the time when something such as a shop, library, or pub closes and people have to leave.
- co-extrusion — simultaneous extrusion of two or more different yet compatible metals or plastics through the same die.
- co-president — a person who shares the highest position in an organization with another person
- coenesthesia — general awareness of one's own body
- cohesibility — the nature of being cohesible
- cohesionless — lacking cohesion
- cohesiveness — characterized by or causing cohesion: a cohesive agent.
- colacobiosis — (among social insects) life in which one species lives as a parasite in the community of another species.
- commissioned — the act of committing or entrusting a person, group, etc., with supervisory power or authority.
- commissioner — A commissioner is an important official in a government department or other organization.
- compassioned — a feeling of deep sympathy and sorrow for another who is stricken by misfortune, accompanied by a strong desire to alleviate the suffering.
- compositions — Plural form of composition.
- compressible — If something is compressible, its volume can change when pressure is applied to it.
- compressions — Plural form of compression.
- compromising — If you describe information or a situation as compromising, you mean that it reveals an embarrassing or guilty secret about someone.
- compulsively — compelling; compulsory.
- compulsivity — compulsiveness
- concessional — concessionary
- concessioner — A concessioner is the same as a concessionaire.
- concessively — in a concessive manner
- conclusional — the end or close; final part.
- conclusively — serving to settle or decide a question; decisive; convincing: conclusive evidence.