| test-tube | 5. When the reaction is over, place the test-tube on a damp cloth. |
| test-tube | If you leave them lying on the desk they may roll off so stand them in the test-tube rack. |
| test-tube |
| test-tube baby | (n) a baby conceived by fertilization that occurs outside the mother's body; the woman's ova are removed and mixed with sperm in a culture medium - if fertilization occurs the blastocyte is implanted in the woman's uterus |
| Retortenbaby { n } | test-tube baby [Add to Longdo] |
