| Noun | 1. | Haldane - Scottish geneticist (son of John Haldane) who contributed to the development of population genetics; a popularizer of science and a Marxist (1892-1964)geneticist - a biologist who specializes in genetics | |
| 2. | Haldane - Scottish physiologist and brother of Richard Haldane and Elizabeth Haldane; noted for research into industrial diseases (1860-1936) | |
| 3. | Haldane - Scottish writer and sister of Richard Haldane and John Haldane (1862-1937)author, writer - writes (books or stories or articles or the like) professionally (for pay) | |
| 4. | Haldane - Scottish statesman and brother of Elizabeth and John Haldane (1856-1928) | |