| annual ring |
one of the rings of wood on the inside of a tree that can be seen when the tree is cut into logs. Each ring represents a year of growth. |
| antibiotic |
substance derived from fungi or other organisms and used to destroy or prevent the growth of bacteria or other disease-causing organisms. |
| bald |
not covered by a natural growth. [1/2 definitions] |
| barren |
not able to produce or support growth. [1/2 definitions] |
| bear1 |
to produce by growth. [1/7 definitions] |
| biology |
the science that studies the growth and life processes of living things. |
| boom1 |
a time of fast growth. [1/4 definitions] |
| brush2 |
land covered by thick growth of plants or trees. [1/2 definitions] |
| control |
to stop the spread or growth of. [1/6 definitions] |
| environment |
everything that surrounds a particular type of living thing and affects its growth and health. [1/3 definitions] |
| food |
anything that contains nutrients and is eaten by living creatures in order to maintain life, health, and growth. |
| foster |
to aid and encourage the growth or development of. [1/2 definitions] |
| germinate |
to start or cause to start growth; sprout. |
| grub |
the larva of some beetles and other insects. Grubs are a young stage in the growth of the insect. They look like short, fat worms. [1/3 definitions] |
| hormone |
a substance made by certain cells in the body. Hormones move around the body in the blood and have effects on certain organs and cells. Hormones help control body processes such as growth. |
| horn |
a hard, hollow growth on the head of certain mammals. Deer, cows, and sheep are some animals that have horns. Horns usually grow in pairs. [1/3 definitions] |
| life cycle |
the sequence of changes that a living thing goes through as it grows and develops. Birth, growth, reproduction, aging, and death are all stages in the life cycle of an animal. |
| mold1 |
to influence the growth or character of. [1/3 definitions] |
| mow1 |
to cut down the plant growth on. [1/2 definitions] |
| nail |
a hard growth at the end of a finger or toe. [1/3 definitions] |
| nip1 |
to stop the growth of. [1/6 definitions] |