chlor- /klör-/ or chloro- /klö-rō- or -rə-/

1. Denoting: chlorine
2. Green

chlorˈal (or /-alˈ/) noun

1. A limpid, colourless, oily liquid (CCl₃CHO), of penetrating odour, formed when anhydrous alcohol is acted on by dry chlorine gas (also trichloroethˈanal)
2. (loosely) chloral hydrate, a white crystalline substance used as a hypnotic and sedative

chloˈralism noun

The habit, or the morbid effects, of using chloral hydrate

chloˈralose noun

A hypnotic drug mainly used for anaesthetizing animals in laboratory experiments

chloramˈbucil /-byŭ-sil/ noun

An oral drug used to treat some cancers, eg cancer of the ovary and leukaemia

chlorˈamine noun (chem)

Any of several compounds formed when chlorine reacts with an amine group, used as disinfectants

chloramphenˈicol noun

An antibiotic drug used to treat serious infections such as typhoid and cerebrospinal meningitis, and (in the form of eye drops) for bacterial conjunctivitis

chlorargyrite /klör-ärˈji-rīt/ noun

(Gr argyros silver) horn silver

chloˈrate noun

A salt of chloric acid used in defoliant weedkillers, etc

chlorˈdan or chlorˈdane /-dan or -dān/ noun

A highly poisonous liquid insecticide

chlordiazepoxide /-dī-az-i-poksˈīd/ noun

1. A tranquillizer (C₁₆H₁₄ClN₃O) used to treat anxiety
2. A hydrochloride derivative of this

chlorella /klo-relˈə/ noun

A member of the genus Chlorella of green freshwater algae

chlorhexidine /-heksˈid-ēn/ noun

An antiseptic compound used in skin cleansers, mouthwashes, etc

chloˈric adjective

Of, containing or derived from chlorine in its pentavalent form (chloric acid a monobasic acid (HClO₃), a vigorous oxidizing agent)

chloˈridate transitive verb

To chloridize

chloˈrīde noun

1. A compound of chlorine with another element or radical
2. Bleaching powder (chloride of lime), not a true chloride

chloˈridize or chloˈridise transitive verb

1. To convert into a chloride
2. To cover with chloride of silver (photography)

chlorimˈeter noun same as chlorometer below

chlorimetˈric adjective

chlorimˈetry noun

chlorˈinate transitive verb

To treat or cause to combine with chlorine (as in sterilization of water, extraction of gold from ore)

chlorināˈtion noun

chlorˈinator noun

chlorine /klōˈ, klöˈrēn/ noun

A yellowish-green halogen gaseous element (symbol Cl; atomic no 17) with a peculiar and suffocating odour, used in bleaching, disinfecting, and poison gas warfare (chlorine water an aqueous solution of chlorine)

chlorinˈity noun

(esp in seawater) a measure of the amounts of chlorine, iodine, bromine and fluorine present

chloˈrinize or chloˈrinise transitive verb

To chlorinate

chloˈrite noun

1. A salt of chlorous acid combined with a metal or other chemical (chem)
2. A general name for a group of minerals, hydrated silicates of magnesia, iron and alumina, typically dark green and rather soft, resembling mica but not elastic (chlorite-schistˈ a schistose rock composed of chlorite, usu with quartz, epidote, etc)

chloritˈic adjective

Relating to, of the nature of, or containing, the mineral chlorite (chloritic marl a marl at the base of the English Chalk stained green with glauconite (not chlorite))

chloritīzāˈtion or chloritīsāˈtion noun (geology)

The alteration of ferromagnesian minerals into chlorite or similar material

chlorobrōˈmide noun

1. A compound of chlorine and bromine with a metal or organic radical
2. A photograph taken on paper coated with this

chlorocruˈorin noun

A green respiratory pigment found in some Polychaeta

chloˈrodyne noun

A patent medicine of anodyne and hypnotic effect, containing chloroform

chlorofluorocarˈbon noun

An alkane in which chlorine and fluorine atoms have been substituted for hydrogen atoms, used in aerosols, refrigerants, etc, some of which are thought to break down ozone in the earth's atmosphere (abbrev CFC)

chloroform /klorˈō-förm/ noun

A limpid, mobile, colourless, volatile liquid (CHCl₃) with a characteristic odour and a strong sweetish taste, used as an anaesthetic, and as a solvent for oils, resins and various other substances (also trichloromēˈthane)

To administer chloroform to, in order to render unconscious

chlorˈoformer or chlorˈoformist noun

chloromˈeter noun

An apparatus for measuring available chlorine in bleaching powder, etc

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