Collins COBUILD Advanced Learner’s Dictionary полностью

is used at the beginning of nouns and adjectives that refer to life or to the study of living things. For example, bioengineering is the study of engineering for medical purposes, such as the design and manufacture of artificial body parts…

bio|chemi|cal /ba I oʊke m I k ^ə l/ ADJ [ADJ n] Biochemical changes, reactions, and mechanisms relate to the chemical processes that happen in living things.

bio|chem|ist /ba I oʊke m I st/ (biochemists ) N‑COUNT A biochemist is a scientist or student who studies biochemistry.

bio|chem|is|try /ba I oʊke m I stri/

1 N‑UNCOUNT Biochemistry is the study of the chemical processes that happen in living things.

2 N‑UNCOUNT The biochemistry of a living thing is the chemical processes that happen in it or are involved in it.

bio|degrad|able /ba I oʊd I gre I dəb ^ə l/ ADJ Something that is biodegradable breaks down or decays naturally without any special scientific treatment, and can therefore be thrown away without causing pollution. □  …a natural and totally biodegradable plastic.

bi|o|die|sel /ba I oʊdiː z ^ə l/ N‑UNCOUNT Biodiesel is fuel made from natural sources such as plant oils, that can be used in diesel engines.

bio|di|ver|sity /ba I oʊda I vɜː ^r s I ti/ N‑UNCOUNT Biodiversity is the existence of a wide variety of plant and animal species living in their natural environment.

bio|en|gi|neer|ing /ba I oʊendʒ I n I ə r I ŋ/

1 N‑UNCOUNT People sometimes use bioengineering to talk about genetic engineering.

2 N‑UNCOUNT Bioengineering is the use of engineering techniques to solve medical problems, for example to design and make artificial arms and legs.

bi|o|fu|el /ba I oʊfjuː əl/ N‑VAR A biofuel is a gas, liquid, or solid from natural sources such as plants that is used as a fuel. □  Biofuels can be mixed with conventional fuels.

bi|og|raph|er /ba I ɒ grəfə ^r / (biographers ) N‑COUNT [oft with poss] Someone's biographer is a person who writes an account of their life.

bio|graphi|cal /ba I əgræ f I k ^ə l/ ADJ [usu ADJ n] Biographical facts, notes, or details are concerned with the events in someone's life. □  The book contains few biographical details.

bi|og|ra|phy /ba I ɒ grəfi/ (biographies )

1 N‑COUNT [oft with poss] A biography of someone is an account of their life, written by someone else.

2 N‑UNCOUNT Biography is the branch of literature which deals with accounts of people's lives. □  …a volume of biography and criticism.

biol.Biol. is a written abbreviation for biology or biological .

bio|logi|cal /ba I əlɒ dʒ I k ^ə l/

1 ADJ [usu ADJ n] Biological is used to describe processes and states that occur in the bodies and cells of living things. □  The living organisms somehow concentrated the minerals by biological processes. □  This is a natural biological response. ●  bio|logi|cal|ly /ba I əlɒ dʒ I kli/ ADV [ADV with v] □  Much of our behaviour is biologically determined.

2 ADJ [ADJ n] Biological is used to describe activities concerned with the study of living things. □  …the university's school of biological sciences.

3 ADJ [usu ADJ n] Biological weapons and biological warfare involve the use of bacteria or other living organisms in order to attack human beings, animals, or plants. □  Such a war could result in the use of chemical and biological weapons.

4 ADJ [ADJ n] Biological pest control is the use of bacteria or other living organisms in order to destroy other organisms which are harmful to plants or crops. □  …Jim Litsinger, a consultant on biological control of agricultural pests.

5 ADJ [ADJ n] A child's biological parents are the man and woman who caused him or her to be born, rather than other adults who look after him or her. □  …foster parents for young teenagers whose biological parents have rejected them.