Words That Start With Dia: List and Meanings

In this article, you’ll find a thorough list of words that start with “dia.

  1. Diadem- A crown or headband worn as a symbol of sovereignty.
  2. Diagonal- A straight line joining two opposite corners of a shape.
  3. Diagram- A simplified drawing showing the appearance of something.
  4. Dial- A face of a clock or other instrument showing the time or other data.
  5. Dialect- A particular form of a language specific to a region or social group.
  6. Dialogue- A conversation between two or more people.
  7. Diameter- The straight line passing from side to side through the center of a body or figure, especially a circle or sphere.
  8. Diametric- Completely opposed; being at opposite extremes.
  9. Diamond- A precious stone consisting of a clear and typically colorless crystalline form of pure carbon.
  10. Diapason- The entire range of musical pitches.
  11. Diaper- A piece of absorbent material wrapped around a baby’s bottom.
  12. Diaphanous- Light, delicate, and translucent.
  13. Diaphragm- A dome-shaped, muscular partition separating the thorax from the abdomen.
  14. Diarist- A person who keeps a diary.
  15. Diary- A book in which one keeps a daily record of events and experiences.
  16. Diaspora- The dispersion of any people from their original homeland.
  17. Diastole- The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.
  18. Diatom- A single-celled alga with a cell wall of silica.
  19. Diathermy- A medical and surgical technique involving the production of heat in a part of the body.
  20. Diabetic- A person having diabetes.
  21. Diabolical- Belonging to or so evil as to recall the Devil.
  22. Diazepam- A medication used to treat anxiety, alcohol withdrawal, and seizures.
  23. Diagonalize- To transform a matrix into a diagonal form.
  24. Diagenesis- The process of chemical and physical change in deposited sediment during its conversion to rock.
  25. Dialogue- Written or spoken conversational exchange.
  26. Diathesis- A tendency to suffer from a particular medical condition.
  27. Diabolo- A juggling prop consisting of an axle and two cups.
  28. Diageotropic- Growing in a direction that is horizontal to gravity.
  29. Diatomic- Consisting of two atoms.
  30. Diathermancy- The property of a substance to transmit radiant energy.
  31. Diaphony- Dissonance.
  32. Diagenetic- Related to the changes in a sediment or sedimentary rock.
  33. Diamantine- Resembling or relating to a diamond.
  34. Diamagnetism- A form of magnetism that causes a material to be repelled by a magnetic field.
  35. Diacritic- A sign, such as an accent or cedilla, which indicates a different pronunciation.
  36. Diabesity- The combination of diabetes and obesity.
  37. Diadochokinesis- The ability to make antagonistic movements in quick succession.
  38. Diarchy- Government by two people.
  39. Diagenetic- Of or relating to changes occurring in sediments between deposition and solidification.
  40. Dialysis- Clinical purification of blood as a substitute for the normal function of the kidney.
  41. Diagenetic- Resulting from diagenesis.
  42. Diatomic- Involving two atoms.
  43. Diadelphous- Having stamens united by their filaments into two groups.
  44. Dialectic- The art of investigating or discussing the truth of opinions.
  45. Diapedesis- The passage of blood cells through intact walls of capillaries.
  46. Diacriticism- Use of diacritical marks.
  47. Diamicton- A type of unsorted sediment.
  48. Diadochy- The capacity of an atom or ion to replace another in a crystal.
  49. Diabase- A fine-grained intrusive igneous rock.
  50. Diacatholicon- A universal remedy or cathartic.
  51. Diagnosis- The identification of the nature of an illness or other problem by examination.
  52. Diaphorase- An enzyme that catalyzes the oxidation of dihydronicotinamide adenine dinucleotide (NADH) by oxygen.
  53. Diaphone- A sound signal used in lighthouses and foghorns.
  54. Diadochy- The phenomenon where one mineral replaces another in a crystal lattice.
  55. Diametral- Of or along a diameter.
  56. Diastrophism- Deformation of the Earth’s crust.
  57. Diastem- A gap or space, especially between teeth.
  58. Diarthrosis- A joint that freely moves.
  59. Diazeuxis- A musical term for a particular type of interval.
  60. Diaphony- Discordant sound.
  61. Diabolo- A juggling game with a spool and string.
  62. Diapente- An ancient Greek musical interval.
  63. Diadochi- Successors of Alexander the Great.
  64. Diamb- A metrical foot in poetry consisting of two iambs.
  65. Diascopy- Examination of the skin through a transparent plate.
  66. Diaspore- A mineral.
  67. Diapasón- The tuning fork or pitch standard in music.
  68. Diable- Devil (often used in culinary contexts).
  69. Diamyl- Related to or containing two amyl groups.
  70. Diacide- A double conjugate acid.
  71. Diadermal- Through the skin.
  72. Diarchical- Of a government ruled by two authorities.
  73. Diadelphian- Biology: having stamens in two separate groups.
  74. Diadromous- Fish that travel between fresh and salt water.
  75. Diageotropy- Growth in a horizontal direction.
  76. Diakinesis- The final stage of prophase in meiosis.
  77. Diaglyph- A form of intaglio printing or carving.
  78. Diabolry- Extreme deviance or wickedness.
  79. Diabology- Study of the devil or beliefs about devils.
  80. Diabesity- Simultaneous occurrence of diabetes and obesity.
  81. Diaphanometer- Instrument to measure transparency.
  82. Diacoustic- Relating to the science of sounds.
  83. Diablery- Reckless mischief; devilry.
  84. Diaphanoscope- An instrument used for examining translucent bodies.
  85. Diadochus- The phenomenon where one mineral replaces another in a crystalline structure.
  86. Diamagnetic- Materials that create an opposing magnetic field.
  87. Diagrid- Structural element in modern architecture formed by intersecting beams.
  88. Diabatic- Relating to processes where heat is exchanged.
  89. Diamylose- A form of starch.
  90. Diablerie- Sorcery; mischievous conduct.

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