Words That Start With Bi: Expand Your Vocabulary Easily

Discover a diverse array of words starting with “bi” and their meanings in this concise guide.

  1. Bicycle- A vehicle with two wheels powered by pedaling.
  2. Bifocal- Lenses having two different optical powers.
  3. Bilateral- Involving two sides; mutual.
  4. Bilingual- Able to speak two languages fluently.
  5. Binary- Involving two things; composed of two parts.
  6. Biography- A written account of another person’s life.
  7. Biology- The science of life and living organisms.
  8. Biotic- Relating to or resulting from living organisms.
  9. Biosphere- The global ecological system integrating all living beings and their relationships.
  10. Bipartisan- Involving the agreement or cooperation of two political parties.
  11. Bipedal- Using only two legs for walking.
  12. Biplane- An airplane with two wings one above the other.
  13. Bicuspid- A tooth with two cusps, such as premolars.
  14. Binge- Indulge in an activity excessively, particularly eating or drinking.
  15. Biodegradable- Capable of being decomposed by biological agents, especially bacteria.
  16. Biopsy- An examination of tissue removed from a living body to discover the presence, cause, or extent of a disease.
  17. Bionic- Having artificial body parts, especially electromechanical ones.
  18. Biennial- Occurring every two years.
  19. Birefringence- The splitting of a light ray into two rays when it passes through certain types of material.
  20. Bistro- A small, casual eating establishment.
  21. Bilinear- Involving a first-degree equation or its generalization in two variables.
  22. Bizarre- Very strange or unusual.
  23. Bibliophile- A person who collects or has a great love of books.
  24. Biota- The animal and plant life of a particular region, habitat, or geological period.
  25. Biometric- Relating to statistical analysis of biological observations and phenomena.
  26. Bipolar- Having or relating to two poles or extremities.
  27. Bivouac- A temporary camp without tents or cover.
  28. Biped- An organism that uses two legs for walking.
  29. Bile- A bitter fluid produced by the liver and aids in digestion.
  30. Biogenesis- The synthesis of substances by living organisms.
  31. Bigamy- The act of marrying someone while already legally married to someone else.
  32. Bigot- A person who is intolerantly devoted to his or her own opinions and prejudices.
  33. Bigoted- Showing stubborn intolerance.
  34. Bidirectional- Functioning in two directions.
  35. Bibliography- A list of the books referred to in a scholarly work.
  36. Bioluminescence- The production of light by living organisms.
  37. Bibliomania- An exaggerated preoccupation with the acquisition and possession of books.
  38. Binary- Relating to, composed of, or involving two things.
  39. Bind- To tie or secure with a rope, band, or other restraints.
  40. Biome- A large naturally occurring community of flora and fauna occupying a major habitat.
  41. Biomass- The total mass of organisms in a given area or volume.
  42. Biopsy- The removal and examination of tissue from a living body to diagnose a disease.
  43. Biotic- Relating to or resulting from living things, especially in their ecological relations.
  44. Bipedalism- The condition of being bipedal; walking on two feet.
  45. Bionic- Having artificial body parts, especially electromechanical ones.
  46. Biodiversity- The variety of plant and animal life in the world or in a particular habitat.
  47. Biodegrade- To decompose as a result of action by living organisms.
  48. Bipolarity- The condition of having two opposing forces or principles.
  49. Binaural- Involving or relating to both ears.
  50. Biocidal- Able to kill living organisms.
  51. Biogenetic- Relating to the production of living organisms from other living organisms.
  52. Biracial- Concerning or containing members of two racial groups.
  53. Binary- Consisting of two parts.
  54. Binaural- Relating to or using both ears.
  55. Bimonthly- Occurring every two months.
  56. Biotechnology- Technology based on biology, used in agriculture, food science, and medicine.
  57. Binaural- Involving both ears.
  58. Biogenic- Produced or brought about by living organisms.
  59. Biographer- A person who writes an account of someone’s life.
  60. Biohazard- A risk to human health or the environment arising from biological work, especially with microorganisms.
  61. Bioluminescent- Emitting light produced by living organisms.
  62. Biodegradation- Decomposition or breakdown of organic material by living organisms.
  63. Bipod- A two-legged stand.
  64. Bioactive- Having an effect on living tissue.
  65. Biogas- Gas produced by the fermentation of organic matter.
  66. Biochemical- Relating to the chemical processes in living organisms.
  67. Biotechnology- The use of biological processes for industrial and other purposes, especially the genetic manipulation of microorganisms for the production of antibiotics, hormones, etc.
  68. Biomolecule- A molecule that occurs naturally in living organisms.
  69. Biophysics- The science of the application of the laws of physics to biological phenomena.
  70. Biopolymer- A natural polymer produced by the cells of living organisms.
  71. Bioinformatics- The science of collecting and analyzing complex biological data.
  72. Biopsychology- The study of the biological bases of behavior and mental states.
  73. Bioregion- An ecologically and geographically defined area.
  74. Bioreactor- A container or system that supports a biologically active environment.
  75. Biotic- Relating to or caused by living organisms.
  76. Bioprospecting- The search for plant and animal species from which medicinal drugs and other commercially valuable compounds can be obtained.
  77. Biofuel- A fuel derived directly from living matter.
  78. Bioavailability- The proportion of a drug or other substance which enters the circulation when introduced into the body and so is able to have an active effect.
  79. Bioethical- Relating to the ethics of medical and biological research.
  80. Biosynthesis- The production of complex molecules within living organisms or cells.
  81. Biosafety- The prevention of large-scale loss of biological integrity.
  82. Bioclimatology- The study of the effects of climatic conditions on living organisms.
  83. Biogenesis- The synthesis of substances by living organisms.
  84. Biorhythm- A cyclic pattern of physical, emotional, or intellectual changes and patterns.
  85. Biovular- Pertaining to or derived from two separate ova.
  86. Biophysical- Relating to the physical properties of biological entities.
  87. Bioconversion- The conversion of organic materials, such as plant or animal waste, into usable energy sources.
  88. Bioassay- A procedure for determining the concentration, purity, and/or biological activity of a substance.
  89. Biomechanics- The study of the structure and function of biological systems as influenced by mechanical principles.
  90. Biocontrol- Control of pests and weeds by means of organisms that are natural predators, parasites, or pathogens.
  91. Biocenosis- The interaction of life forms within an ecosystem.
  92. Bioclastic- Composed of fragments of biological origin.
  93. Biosocial- Relating to the interaction between biological and social factors.
  94. Bioscope- An early form of movie projector.
  95. Biosignal- A signal in living organisms that can be measured and analyzed.
  96. Biostatistics- The branch of statistics that deals with data relating to living organisms.
  97. Bioterrorism- Terrorism involving the release of toxic biological agents.
  98. Biotic community- An interacting group of various species in a common location.
  99. Bistable- Having two stable states.
  100. Bivector- A mathematical object in geometric algebra that represents an oriented plane segment.

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