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English Words Starting With B

10,030 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

biobehavioral science
nounLow
/ˌbaɪ.əʊ.bɪˈheɪ.vjə.rəl ˈsaɪ.əns/An interdisciplinary field of study that examines the interaction between biological processes and behavior.
biobibliography
nounVery low
/ˌbaɪəʊˌbɪbliˈɒɡrəfi/A list of writings by and about a particular person, often including biographical details.
biobutanol
nounC2
/ˌbaɪəʊˈbjuːtənɒl/An alcohol produced by fermenting biomass, used as a biofuel.
biocatalyst
nounC2
/ˌbaɪ.əʊˈkæt.əl.ɪst/A substance, usually an enzyme, that originates from living organisms and accelerates (catalyzes) biochemical reactions.
biocenology
nounVery Rare (technical/specialist)
/ˌbaɪəʊsɪˈnɒlədʒi/The branch of biology dealing with the relationships and interactions between organisms within a community (biocenosis).
biocenosis
nounVery Low
/ˌbaɪəʊsɪˈnəʊsɪs/A community of interacting organisms living together in a specific habitat.
biocentrism
nounLow
/ˌbaɪəʊˈsɛntrɪz(ə)m/The ethical viewpoint that all living beings have inherent value and deserve moral consideration, placing life at the center of ethical concern.
biochemical
adjectivenounC1
/ˌbaɪ.əʊˈkem.ɪ.kəl/Relating to the chemical processes and substances that occur within living organisms.
biochemical oxygen demand
nounC1/C2
/ˌbaɪ.əʊˌkem.ɪ.kəl ˈɒk.sɪ.dʒən dɪˈmɑːnd/A measure of the amount of dissolved oxygen consumed by microorganisms in water while they break down organic matter.
biochemistry
nounC1
/ˌbaɪ.əʊˈkem.ɪ.stri/The scientific study of the chemical substances and vital processes occurring in living organisms; biological chemistry.
biochip
nounC1+
/ˈbaɪ.əʊ.tʃɪp/A tiny device using biological molecules (e.g., DNA, proteins) integrated with microelectronics to detect or analyze substances.
biocide
nounC1/C2
/ˈbaɪəʊsaɪd/A substance or preparation that kills living organisms.
bioclimatology
nounVery Low
/ˌbaɪ.əʊˌklaɪ.məˈtɒl.ə.dʒi/The branch of science dealing with the interaction between living organisms and climate.
biocoenology
nounExtremely rare / Specialized
/ˌbaɪəʊsɪˈnɒlədʒi/The branch of ecology concerned with the study of plant and animal communities (biocoenoses) and their interrelationships within a specific habitat.
biocoenosis
nounLow (Technical)
/ˌbaɪəʊsɪˈnəʊsɪs/A community of organisms living in a specific habitat and interacting with each other.
biocompatibility
nounC2 / Specialist / Very Low-Frequency
/ˌbaɪ.əʊ.kəmˌpæt.əˈbɪl.ə.ti/The property of a material being compatible with living tissue, not causing a toxic, injurious, or immunological response when in contact with a biological system.
biocomputing
nounLow (Specialist/Technical)
/ˌbaɪ.əʊ.kəmˈpjuː.tɪŋ/The use of biological materials, organisms, or biological principles (such as DNA, proteins, or neural systems) to perform computational tasks or to construct computing devices.
biocontainment
nounLow
/ˌbaɪəʊkənˈteɪnmənt/The use of safety measures and procedures to prevent the escape of potentially hazardous biological agents into the environment.
biocontrol
nounC1
/ˌbaɪəʊkənˈtrəʊl/The method of controlling pests using natural predators, parasites, or pathogens rather than chemical pesticides.
bioconversion
nounC2
/ˌbaɪ.əʊ.kənˈvɜː.ʃən/The conversion of organic materials (such as waste) into usable products (like fuel or chemicals) through the action of living organisms like microorganisms or enzymes.

Showing 4421–4440 of 10030 words.