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English Words Starting With B

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

biological magnification
nounC1/C2
/ˌbaɪ.əˌlɒdʒ.ɪ.kəl ˌmæɡ.nɪ.fɪˈkeɪ.ʃən/The process by which the concentration of a substance (usually a toxin) increases at each successive level of a food chain.
biological marker
nounLow-medium
/ˌbaɪ.əˌlɒdʒ.ɪ.kəl ˈmɑː.kə/A measurable indicator of a biological state or condition.
biological oxygen demand
nounLow
/ˌbaɪ.əˌlɒdʒ.ɪ.kəl ˈɒk.sɪ.dʒən dɪˈmɑːnd/A measure of the amount of dissolved oxygen consumed by microorganisms while decomposing organic matter in water.
biological parent
nounC1
/ˌbaɪ.əˌlɒdʒ.ɪ.kəl ˈpeə.rənt/A person who has contributed their genetic material to create a child.
biological psychiatry
nounLow
/ˌbaɪəˌlɒdʒɪkəl saɪˈkaɪətri/A branch of psychiatry that focuses on understanding mental disorders as disorders of brain function and structure, with an emphasis on genetic, biochemical, neurological, and physiological factors.
biological response modifier
nounC2
/ˌbaɪ.əˌlɒdʒ.ɪ.kəl rɪˈspɒns ˈmɒd.ɪ.faɪ.ə/A substance that changes the body's biological response to disease, often by stimulating the immune system.
biological rhythm
nounC1
/ˌbaɪ.əˌlɒdʒ.ɪ.kəl ˈrɪð.əm/A cyclical pattern of physiological, biochemical, or behavioral processes occurring in living organisms.
biological shield
nounLow
/ˌbaɪ.əˌlɒdʒ.ɪ.kəl ˈʃiːld/A physical barrier, typically made of dense materials like concrete, water, or lead, designed to protect humans and the environment from harmful radiation emitted by nuclear reactors or radioactive sources.
biological value
nounC1
/ˌbaɪ.əˌlɒdʒ.ɪ.kəl ˈvæl.juː/A measure of the proportion of absorbed protein from a food that is retained and used by the body for growth and maintenance.
biological warfare
nounC1
/ˌbaɪ.əˌlɒdʒ.ɪ.kəl ˈwɔː.feər/The use of bacteria, viruses, or toxins to harm or kill people, animals, or plants as an act of war.
biologics
plural-nounLow
/ˌbaɪ.əʊˈlɒdʒ.ɪks/Medicinal products (such as vaccines, gene therapies, antibodies) that are manufactured from or contain components of living organisms.
biologism
nounC2
/baɪˈɒlədʒɪz(ə)m/The interpretation of human behavior or society exclusively through biological principles.
biologist
nounB2
/baɪˈɒlədʒɪst/A scientist who studies living organisms and their relationship with their environment.
biology
nounB1-B2
/baɪˈɒl.ə.dʒi/The scientific study of living organisms, including their structure, function, growth, origin, evolution, and distribution.
bioluminescence
nounC1/C2
/ˌbaɪ.əʊˌluː.mɪˈnes.əns/The production and emission of light by a living organism.
biolysis
nounC1/C2 (Highly specialized)
/baɪˈɒl.ɪ.sɪs/The decomposition or breakdown of organic matter, especially through the action of living organisms.
biomagnetism
nounLow
/ˌbaɪəʊˈmæɡnɪtɪz(ə)m/The magnetic properties produced by living organisms or biological systems.
biomagnification
nounLow frequency, technical/specialized
/ˌbaɪ.əʊˌmæɡ.nɪ.fɪˈkeɪ.ʃən/The process by which the concentration of a substance (especially a toxin) increases at each higher level in the food chain.
biomagnify
verb-intransitiveC1/C2
/ˌbaɪ.əʊˈmæɡ.nɪ.faɪ/The process by which the concentration of a substance (e.g., a toxin or pollutant) increases at each successive level in a food chain.
biomarker
nounC1/C2
/ˈbaɪ.əʊˌmɑː.kə/A measurable biological indicator of a specific physiological state, disease, or condition.

Showing 4501–4520 of 10030 words.