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An American Dictionary of the English Language

Revised and enlarged (Goodrich & Porter)

Springfield, Mass. · G. & C. Merriam · 1865

Entries
95,912
Pages
1,538
Illustrations
2,133

Look up a word as the writers of the time used it.

  1. Is'land-er, n.p. 719An inhabitant of an island.
  2. Isl'and-y, a.p. 719Pertaining to islands; full of islands. [Obs.] Cotgrave.
  3. Isle, n.p. 719An island. “Imperial rule of all the sea-girt isles.” Milton. Like ships that sailed for sunny isles, But never came to shore. T. K. Hervey. 2. [Corrupted from aisle.] A passage in a church. See…
  4. Īsle, v. t.p. 719To cause to become an island, or like an island; to make an island of, to surround or encompass. Isled in sudden seas of light. My heart, pierced through with fierce delight, Bursts into blossom in…
  5. Īs'let, n.p. 719A little isle.
  6. Ĭsm, n.p. 719A doctrine or theory; especially, used contemptuously or in a bad sense, a fanatical tenet; a specious, but wild or visionary, theory; a plausible and captivating, but unsound doctrine. E. Everett.
  7. Is'ma-ē'li-an, n.p. 719(Eccl.) One of a sect of Mohammedans.
  8. I'so-bāre, n.p. 719(Phys. Geog.) A line connecting those places upon the surface of the globe where the mean height of the barometer at the level of the sea is the same.
  9. Ī'so-bār'/o-mēt'rie, a.p. 719(Phys. Geog.) Indicating equal barometric pressure; denoting lines on the surface of the globe connecting places that present the same mean barometrical pressure, as determined by means of the…
  10. I'so-cheim, n.p. 719(Phys. Geog.) An imaginary line connecting places on the earth having the same mean winter temperature.
  11. I'so-chei'mal or I'so-chi'mal, a.p. 719Pertaining to, or having the nature of, an isocheim; as, an isocheimal line; illustrating distribution of temperature by means of isocheims; as, an isocheimal chart.
  12. I'so-chei'me-nal or I'so-chi'me-nal, a.p. 719The same as ISOCHEIMAL.
  13. I'so-chi'mēne, n.p. 719The same as ISOCHEIM.
  14. Ī'so-chro-măt'ic, a.p. 719(Opt.) Having the same color;—a term applied to two rings, curves, or lines, having the same color or tint.
  15. I-sōch’ro-nal, a.p. 719Uniform in time; of equal time; performed in equal times; as, isochronal vibrations or oscillations. Isochronal line, a line along which a heavy body descends with a uniform velocity.
  16. Ī-sŏch'ro-nĭsm, n.p. 719The state or quality of being isochronous.
  17. Ī-sōch’ro-nōn, n.p. 719A clock that keeps, or is designed to keep, perfectly accurate time.
  18. Ī-sŏch'ro-no'ŭs, a.p. 719The same as ISOCHRONAL.
  19. I-sōch'rōus, a.p. 719(Bot.) Having the same tint or color throughout; uniformly colored.
  20. I'so-cli'nal, a.p. 719Pertaining to, or indicating, equality of inclination or dip. Isoclinal lines (Magnetism), lines on the earth's surface connecting places at which a dipping-needle indicates the same inclination or…
  21. Ī'so-crȳ'mal, a.p. 719Pertaining to, or having the nature of, an isocryme; as, an isocrymal line; illustrating the distribution of temperature by means of isocrymes; as, an isocrymal chart.
  22. I'so-crȳme, n.p. 719(Phys. Geog.) An imaginary line on the earth's surface, passing through points having the same mean temperature in the coldest month of the year.
  23. I'so-di'a-bāt'ic, a.p. 719(Thermodynamics.) Pertaining to the reception or giving out of equal quantities of heat by a substance. Rankine. Isodiabatic lines, or curves, a pair of lines or curves exhibiting, on a diagram of…
  24. I'so-di-môrph'ism, n.p. 719Isomorphism between the two forms severally of two dimorphous substances.
  25. Ī'so-dī-môrph'ous, a.p. 719Having the quality of isodimorphism.
  26. Ī-sŏd'o-mōn, n.p. 719(Gr. Arch.) A construction of equal thicknesses and equal lengths, as of courses for stones in a wall.
  27. I'so-dy-nām'ic, a.p. 719Pertaining to, or noting, equality of force. Isodynamic lines (Magnetism). lines on the earth's surface connecting places at which the magnetic intensity is the same.
  28. I'so-dŷn'a-moüs, a.p. 719Of equal force or size.
  29. I'so-gē'o-thērm, n.p. 719(Phys. Geog.) An imaginary line or curved surface passing beneath the earth's surface through points having the same mean temperature.
  30. I'so-gē'o-thērm'al, a.p. 720Pertaining to, or having the nature of, an isogeotherm; as, an isogeothermal line or surface; illustrating differences of temperature by means of isogeotherms; as, an isogeothermal chart.
  31. I'so-gōn'ic, a.p. 720Pertaining to, or noting, equal angles. Isogonic lines (Magnetism), lines traced on the surface of the globe connecting places at which the deviation of the magnetic needle from the meridian or true…
  32. I-sōg'ra-phy, n.p. 720Writing in imitation of other handwriting, as of autograph signatures, and the like.
  33. I·so-hy'e-tōse', a.p. 720(Phys. Geog.) An imaginary line connecting places on the earth's surface which have a mean annual quantity of rain. A. K. Johnston.
  34. Īs′o-la-ble, a.p. 720(Chem.) Capable of being obtained in a pure state, separated from all other substances.
  35. Īs'o-lāte, v. t.p. 720To place in a detached situation; to place by itself; to insulate. Short isolated sentences were the mode in which ancient wisdom delighted to convey its precepts for the regulation of human conduct.…
  36. Is'o-lā'ted-ly, adv.p. 720In an isolated manner.
  37. Is'o-lā'tion, n.p. 720State of being isolated; insulation.
  38. I-sōl'o-goŭs, a.p. 720(Chem.) Having similar proportions or relations; — said of groups of homologous terms, in which the radicals, by combining with a series of similar elements, give rise to a series of similar…
  39. Ī'so-mēr'ic, a.p. 720(Chem.) Having the quality of isomerism; as, isomeric compounds.
  40. I-sōm'er-ism, n.p. 720(Chem.) An identity of elements and of atomic proportions, with a difference in the amount combined in the compound molecule, and of its essential qualities; as in the case of the physically unlike…
  41. I′so-mēr′o-mōrph′ĭsm, n.p. 720(Crystallog.) Isomorphism between substances that are alike in atomic proportions. Dana.
  42. Ī'so-mĕt'rĭc or Ī'so-mĕt'rĭc-al, a.p. 720Pertaining to, or characterized by, equality of measure. 2. (Crystallog.) Monometric; tessular. Dana. Isometrical projection, a species of orthographic projection, in which but a single plane of…
  43. I'so-mōrph, n.p. 720A substance which has the same crystalline form with another.
  44. Ī'so-mōrph'ism, n.p. 720(Crystallog.) A similarity of crystalline form; as, (a.) Between substances of like composition or atomic proportions, as between arsenic acid and phosphorous acid, each containing five equivalents…
  45. I'so-mōrph'ōŭs, a.p. 720Having the quality of isomorphism.
  46. I’so-nŏm’ic, a.p. 720The same, or equal, in law or right; one in kind or origin. Dana.
  47. I-sōn'o-my, n.p. 720Equal law; equal distribution of rights and privileges.
  48. I-sōp'a-thy, n.p. 720(Med.) (a.) The cure of a disease by means of the virus of such a disease. (b.) The theory of curing a diseased organ by the use of the analogous organ of a healthy animal. Mayne.
  49. Ī'so-pĕr'i-mĕt'ri-cal, a.p. 720Having equal perimeters or circumferences; as, isoperimetrical figures or bodies.
  50. Ī'so-pe-rĭm'e-try, n.p. 720(Geom.) The science of figures having equal perimeters or boundaries.
  51. I'so-pōd, n.p. 720(Zoöl.) A species of crustacean whose legs are alike.
  52. I'so-pōd or I-sōp'o-doŭs, a.p. 720Having the characteristics of an isopod.
  53. I'so-py're, n.p. 720(Min.) A silicate of alumina, lime, and peroxide of iron.
  54. Ī-sōs'ce-lēz, a.p. 720(Geom.) Having two legs or sides only that are equal; — said of a triangle.
  55. Ī'so-stēm'o-noŭs, a.p. 720(Bot.) Having an equal number of stamens and pistils.
  56. I-sōth'er-al, a.p. 720Having the nature of an isothere; indicating the distribution of temperature by means of an isothere; as, an isothermal chart. Isothermal lines, lines passing through places having the same mean…
  57. I'so-thēre, n.p. 720(Phys. Geog.) An imaginary line over the earth's surface, passing through points having the same mean summer temperature. Nichol.
  58. I'so-thĕrm, n.p. 720(Phys. Geog.) An imaginary line over the earth’s surface passing through points having the same mean annual temperature, so that a series of such lines exhibits the distribution of temperature over…
  59. I'so-thĕrm'al, a.p. 720Having reference to the geographical distribution of temperature, as exhibited by means of isotherms; as, the isothermal relations of different continents; having the nature of an isotherm; as, an…
  60. Ī-sŏth'e-rŏm'brōse, n.p. 720(Phys. Geog.) An imaginary line on the earth's surface passing through points where the quantity of summer rain bears the same proportion to the yearly quantity of rain. A. K. Johnston.