| ASTROBIOLOGY | • astrobiology n. (Sciences) The study of life anywhere in the universe, including the Earth. • ASTROBIOLOGY n. exobiology. |
| AEROBIOLOGIES | • AEROBIOLOGY n. the study of airborne organisms. |
| AEROBIOLOGIST | • aerobiologist n. A biologist specializing in aerobiology. • AEROBIOLOGIST n. one who studies airborne microorganisms. |
| AGROBIOLOGIES | • AGROBIOLOGY n. the study of plant nutrition and soil yields. |
| AGROBIOLOGIST | • agrobiologist n. One who studies bacteria and other organisms in soil for the purpose of growing crops or feeding animals. • agrobiologist n. One who studies the nutrition or breeding of animals or crops. • AGROBIOLOGIST n. one who studies plant nutrition and soil yields. |
| MOTORBOATINGS | • MOTORBOATING n. travelling by motorboat. |
| AEROBIOLOGISTS | • aerobiologists n. Plural of aerobiologist. • AEROBIOLOGIST n. one who studies airborne microorganisms. |
| AGROBIOLOGISTS | • agrobiologists n. Plural of agrobiologist. • AGROBIOLOGIST n. one who studies plant nutrition and soil yields. |
| ASTROBIOLOGIES | • ASTROBIOLOGY n. exobiology. |
| ASTROBIOLOGIST | • astrobiologist n. A biologist whose speciality is astrobiology. • ASTROBIOLOGIST n. one who studies astrobiology. |
| GERONTOPHOBIAS | • GERONTOPHOBIA n. a fear of old age or of growing old. |
| RADIOBIOLOGIES | • RADIOBIOLOGY n. a branch of biology dealing with the effects of radiation or radioactive materials on biological systems. |
| RADIOBIOLOGIST | • radiobiologist n. One who studies or carries out radiobiology. • RADIOBIOLOGIST n. one who studies radiobiology. |
| ASTROBIOLOGISTS | • astrobiologists n. Plural of astrobiologist. • ASTROBIOLOGIST n. one who studies astrobiology. |
| RADIOBIOLOGISTS | • radiobiologists n. Plural of radiobiologist. • RADIOBIOLOGIST n. one who studies radiobiology. |