| AUDIOMETRICIAN | • audiometrician n. A technician who carries out audiometry. • AUDIOMETRICIAN n. one who measures differences in hearing, also AUDIOMETRIST. |
| BIOMETRICIAN | • biometrician n. One who practices biometrics. • BIOMETRICIAN n. a practitioner of biometrics. |
| CLIOMETRICIAN | • cliometrician n. An expert in cliometrics. • CLIOMETRICIAN n. one who uses mathematics/computers to analyze historical data. |
| DOSIMETRICIAN | • DOSIMETRICIAN n. one who uses a dosimeter, an instrument for measuring doses of radiation. |
| ECONOMETRICIAN | • econometrician n. Someone who studies, uses or works in econometrics. • ECONOMETRICIAN n. one who studies econometrics. |
| ELECTRICIAN | • electrician n. A tradesperson who installs, repairs and maintains electrical wiring and equipment. • electrician n. (Archaic) A scientist who studies electricity. • ELECTRICIAN n. one who installs, maintains, operates, or repairs electrical equipment. |
| GEOMETRICIAN | • geometrician n. A geometer; a mathematician specializing in the study of geometry. • geometrician n. An erebid moth, Grammodes stolida, of Africa, Eurasia, and Australia. • GEOMETRICIAN n. a geometer. |
| GERIATRICIAN | • geriatrician n. (Medicine) A medical doctor specialising in the assessment and treatment of elderly people. • GERIATRICIAN n. a specialist in geriatrics. |
| METRICIAN | • metrician n. (Obsolete) A composer of verses. • METRICIAN n. a composer of verses. |
| OBSTETRICIAN | • obstetrician n. (Medicine) A physician who specializes in childbirth. • OBSTETRICIAN n. one who specialises in the care of women during pregnancy. |
| PAEDIATRICIAN | • paediatrician n. Alternative spelling of pediatrician. • pædiatrician n. Alternative spelling of pediatrician. • PAEDIATRICIAN n. a specialist in children's ailments. |
| PATRICIAN | • patrician n. (Ancient Rome) A member of any of the families constituting the populus Romanus, or body of Roman citizens… • patrician n. A person of high birth; a nobleman. • patrician n. One familiar with the works of the Christian Fathers; one versed in patristic lore or life. |
| PEDIATRICIAN | • pediatrician n. (American spelling) A physician that specializes in pediatrics; the medical care of infants, children… • PEDIATRICIAN n. a specialist in pediatrics. |
| PSYCHOMETRICIAN | • psychometrician n. (Psychology) A person who administers psychometric tests. • PSYCHOMETRICIAN n. a person (as a clinical psychologist) who is skilled in the administration and interpretation of objective psychological tests. |
| SABERMETRICIAN | • sabermetrician n. (US, baseball) A baseball statistician; one who studies sabermetrics. • SABERMETRICIAN n. a student of sabermetrics, the statistical analysis of baseball data. |