browse search

Word Explorer
Children's Dictionary
Help
Help
Help
 
A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z
binocular (usually plural) a device that uses lenses and mirrors to make objects look larger. Binoculars are used with both eyes at once.
biodegradable able to be broken down by the action of living organisms such as bacteria.
biodiverse of an area or region, having many different kinds of plants and animals.
biodiversity the condition of having a wide variety of living things. If an area on the earth has biodiversity, it means that there are many different kinds of animals and plants living there.
biography the written story of the facts and events of a person's life.
biological of or having to do with biology. [2 definitions]
biologist a scientist who specializes in biology. Biology is the study of living things, such as plants, animals, cells, and bacteria.
biology the science that studies the growth and life processes of living things.
bioluminescence light given off naturally by certain kinds of insects, fish, or bacteria. The bioluminescence of fireflies allows them to blink on and off in the dark.
biomass the total amount of living things in a particular environment, measured by mass per unit of area or volume.
biome a major type of global region, such as forest, desert, or grassland, characterized by the community of plants and animals that have adapted to life under the particular soil and climatic conditions that a particular region presents.
bionic an electronic or mechanical device that replaces or helps something natural. An artificial leg is one kind of bionic device.
biplane an early type of airplane with two sets of wings mounted one above the other.
birch a tree or shrub with hard wood and smooth bark that can be peeled off.
bird an animal with two wings, two feet, and a body covered with feathers. Most birds can fly. Birds are warm-blooded animals with skeletons inside their bodies. Birds lay eggs with hard shells. Robins, eagles, chickens, and ostriches are a few of the many kinds of birds.
birdhouse something constructed by humans as a place for a bird to build its nest. A birdhouse often looks like a small, simple house.
birds of a feather a group of people who have similar interests, values, opinions, or backgrounds. (from the expression "Birds of a feather flock together.")
birth the act or fact of being born. [3 definitions]
birthday the calendar day and month of one's birth, usually celebrated each year as that date occurs.
birthmark a mark or mole on the skin present from birth.
birthplace the place of birth or origin of a person, idea, or movement.