Words Starting with Hy: Definitions, Examples, and Common Questions

This article provides an extensive list of words starting with “hy” to help you expand your vocabulary and improve your language skills.

  1. Hydrogen- A colorless, odorless gas that is the lightest and most abundant element in the universe.
  2. Hyperbole- Exaggerated statements or claims not meant to be taken literally.
  3. Hypothesis- A proposed explanation for a phenomenon, used as a starting point for further investigation.
  4. Hyphen- A punctuation mark (-) used to join words or split a word at the end of a line.
  5. Hypnosis- A state of human consciousness involving focused attention and reduced peripheral awareness.
  6. Hypertext- Text displayed on a computer screen with references (hyperlinks) to other texts or documents.
  7. Hypothetical- Based on or involving a suggested idea or theory; assumed for the sake of argument or investigation.
  8. Hype- Extravagant or intensive publicity or promotion.
  9. Hyacinth- A bulbous plant with fragrant, colorful flowers.
  10. Hypoglycemia- Abnormally low blood sugar levels.
  11. Hysterical- Deriving from or affected by uncontrolled extreme emotion.
  12. Hypochondria- Abnormal anxiety about one’s health, especially with an unwarranted fear that one has a serious disease.
  13. Hyperactive- Showing extremely high physical activity, often to a degree considered abnormal.
  14. Hypersensitive- Excessively sensitive, either physically or emotionally.
  15. Hybrid- The offspring of two different species or varieties, often having characteristics of both.
  16. Hyperlink- A link from a hypertext document to another location or file.
  17. Hypoxia- Deficiency in the amount of oxygen reaching tissues.
  18. Hypocritical- Behaving in a way that suggests one has higher standards or more noble beliefs than is the case.
  19. Hypermarket- A large retail store combining a supermarket and a department store.
  20. Hyperdrive- A method of traveling faster than light used in science fiction.
  21. Hydrate- A compound, typically crystalline, in which water molecules are chemically bound to another compound.
  22. Hyperglycemia- An excess of glucose in the bloodstream, often associated with diabetes.
  23. Hyena- A carnivorous mammal of the family Hyaenidae, known for its distinctive laugh-like vocalizations.
  24. Hypodermic- Relating to the region immediately beneath the skin, often used to describe needles and injections.
  25. Hyperthermia- Abnormally high body temperature, typically caused by fever or exposure to high temperatures.
  26. Hyperventilate- To breathe at an abnormally rapid rate, resulting in decreased levels of carbon dioxide in the blood.
  27. Hypnotize- To induce a state of hypnosis.
  28. Hydroplane- A motorboat designed to skim over the surface of water at very high speeds.
  29. Hyperinflation- Extremely rapid or uncontrolled inflation, often resulting in a sharp decrease in money’s value.
  30. Hypersonic- Relating to speeds exceeding five times the speed of sound.
  31. Hypothalamus- A region of the brain that controls functions such as hunger, thirst, and temperature regulation.
  32. Hypointense- Appearing darker on magnetic resonance imaging (MRI) compared to other tissues.
  33. Hyperopia- Farsightedness; a condition where distant objects are seen more clearly than near objects.
  34. Hydrophobia- Extreme or irrational fear of water, often associated with rabies.
  35. Hypnotic- Relating to or involving hypnosis.
  36. Hyaline- Transparent or translucent, typically referring to tissue or cartilage.
  37. Hydroelectric- Relating to the generation of electricity using flowing water.
  38. Hypercritical- Excessively and unreasonably critical, especially of small faults.
  39. Hyperactive- Overly energetic beyond the average level.
  40. Hypogeal- Germinating below the surface of the ground.
  41. Hypocaust- An ancient Roman system of underfloor heating.
  42. Hydraulic- Relating to the science of hydraulics; operated by liquid pressure.
  43. Hyperawareness- Heightened state of awareness.
  44. Hypersonic- Moving exceedingly fast, often above speeds of Mach 5.
  45. Hyperpolarize- Make more polarized, relating to nerve cells increasing the negativity inside the cell membrane.
  46. Hypoallergenic- Designed to reduce the possibility of an allergic response.
  47. Hypercarnivore- An animal with a diet mainly consisting of meat.
  48. Hypertrophy- The enlargement of an organ or tissue from the increase in the size of its cells.
  49. Hymn- A religious song or poem of praise to God or a deity.
  50. Hypertensive- Relating to or suffering from high blood pressure.
  51. Hypophyseal- Pertaining to the pituitary gland.
  52. Hydraulic- Operated or moved by a fluid, especially water.
  53. Hypsography- The study or measurement of land elevation relative to sea level.
  54. Hyperalgesia- Increased sensitivity to pain.
  55. Hypothesize- To put forward a hypothesis.
  56. Hyperemia- Unusual amount of blood in part of the body; congestion.
  57. Hydrosphere- All water present on or under the earth’s surface.
  58. Hyphenation- The use of hyphens, especially to divide a word at the end of a line.
  59. Hypnotherapy- The use of hypnosis as a therapeutic technique.
  60. Hyperintense- Appearing brighter on MRI scans compared to other tissues.
  61. Hydrology- The scientific study of the properties and effects of water on earth.
  62. Hypermenorrhea- Abnormally heavy or prolonged menstrual bleeding.
  63. Hyacinthine- Of a blue or purple color; resembling the flower of the plant hyacinth.
  64. Hyperaesthesia- Excessive sensitivity, particularly of the sensory nerves.
  65. Hyperosmolar- Having a high osmolarity, often referring to bodily fluids.
  66. Hyperploid- Having more than the normal number of chromosomes.
  67. Hyperlipemia- An abnormal amount of fat or lipids in the blood.
  68. Hyperkinesia- An abnormal increase in muscular activity.
  69. Hydrochloric- Pertaining to hydrochloric acid.
  70. Hypercapnia- Excessive carbon dioxide in the bloodstream.
  71. Hyperfine- Extremely fine in structure or detail.
  72. Hypostyle- Having a roof supported by columns, especially referring to ancient Egyptian architecture.
  73. Hydrodynamic- Relating to the forces acting on or exerted by fluids in motion.
  74. Hyperawareness- An exceptional or acute awareness.
  75. Hyperbaric- Relating to or denoting a higher than normal pressure, especially of oxygen.
  76. Hyperemia- Increased blood flow to different tissues in the body.
  77. Hypogean- Living below the surface of the ground.
  78. Hypothesis- testing – Conducting specific scientific tests to decide whether a hypothesis can be accepted or rejected.
  79. Hydraulic- Of or relating to the movement and behavior of water or other liquids.
  80. Hyperacidity- Excessive acidity, especially in the stomach.
  81. Hyperoxic- Containing a higher level of oxygen than normal.
  82. Hypertextual- Relating to hypertext.
  83. Hyperchromic- Excessive pigmentation; as related to cells or the skin.
  84. Hypnogenesis- The process of inducing sleep or hypnosis.
  85. Hylobatidae- Family of primates including gibbons and related species.
  86. Hyperplasia- The enlargement of an organ or tissue caused by an increase in the reproduction rate of its cells.
  87. Hypocalcemia- Deficiency of calcium in the bloodstream.
  88. Hyperemic- Relating to increased blood flow.
  89. Hyperfunction- Excessive function or activity.
  90. Hypertrophic- Relating to or affected by hypertrophy.
  91. Hypotonic- Having reduced pressure or tone, often used to describe muscle or tissue states.
  92. Hypoxemia- Lower than normal level of oxygen in the blood.
  93. Hypercellular- Containing an excessive number of cells.
  94. Hyperthermic- Pertaining to high heat or temperature.
  95. Hyperbaric- Relating to or involving high pressure.
  96. Hyperphagia- Excessive eating or increased appetite.
  97. Hyperphosphatemia- Elevated levels of phosphate in the blood.
  98. Hypothenar- Relating to the fleshy mass at the base of the little finger.
  99. Hypostasis- The settling of blood in the lower portion of an organ or the body.

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