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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)

bone meal
nounC1
/ˈbəʊn ˌmiːl/A fertilizer or dietary supplement made from crushed or ground animal bones.
bone mineral density
nounMedium
/bəʊn ˈmɪn.ər.əl ˈden.sɪ.ti/The amount of mineral matter per square centimeter of bone, used as an indicator of bone strength and osteoporosis risk.
bone of contention
nounB2
/ˌbəʊn əv kənˈtenʃən/A subject or issue over which there is ongoing disagreement or conflict.
bone oil
nounC2 (Very low frequency, specialized term)
/ˈbəʊn ˌɔɪl/A dark, foul-smelling oil produced by the destructive distillation of animal bones, primarily used in industrial applications such as lubricants, animal feed supplements, or as a raw material for certain chemicals.
bone porcelain
nounC1
/ˈbəʊn ˌtʃaɪ.nə/A type of fine, translucent, high-quality porcelain made from clay mixed with bone ash (calcined animal bone).
bone shaker
nounLow
/ˈbəʊn ˌʃeɪkə/An early type of bicycle (mid-19th century) with iron wheels and no suspension, known for its extremely uncomfortable ride.
bone spur
nounLow-medium
/bəʊn spɜː/A small, bony projection that grows along the edges of a bone.
bone turquoise
nounVery Low
/bəʊn ˈtɜː.kwɔɪz/A synthetic or imitation turquoise made from animal bone, typically phosphate material that has been treated to resemble turquoise.
bone up
verbB2
/ˌbəʊn ˈʌp/To study hard or intensively, especially in preparation for a test or exam.
bone-marrow transplant
nounC1
/ˌbəʊn ˈmær.əʊ ˌtræns.plɑːnt/A medical procedure in which healthy bone marrow is infused into a patient to replace diseased or damaged bone marrow.
boneblack
nounLow
/ˈbəʊnblæk/A black pigment or filtering material made by charring animal bones.
bonefish
nounLow
/ˈbəʊnfɪʃ/A slender, silvery marine fish (Albula vulpes) found in shallow tropical waters, known for its challenging fight when hooked.
bonehead
adjectivenounmedium
/ˈbəʊn.hɛd/A stupid or foolish person.
boner
nounMedium
/ˈbəʊnə/An erection of the penis
boneset
nounLow
/ˈbəʊnset/A perennial plant native to eastern North America (Eupatorium perfoliatum) used in traditional herbal medicine.
bonesetter
nounC2 (Very Low Frequency)
/ˈbəʊnˌsɛtə/A person who treats broken or dislocated bones, especially without formal medical qualifications, often using manual manipulation.
boneshaker
nounLow
/ˈbəʊnˌʃeɪkə/An early type of bicycle with solid tyres and no suspension, known for being extremely uncomfortable to ride.
boneyard
nounC2
/ˈbəʊn.jɑːd/A cemetery or burial ground, especially one seen as stark or unattractive.
bonfire
nounB1
/ˈbɒn.faɪə(r)/A large outdoor fire for burning waste, for warmth, or for celebration, often in a social context.
bong
nounverbverb-intransitiveC1
/bɒŋ/A low, resonant, reverberating sound, typically produced by striking a large bell or gong; or, a water pipe used for smoking cannabis.

Showing 6561–6580 of 10030 words.