1. nanogram one billionth (1/1,000,000,000) gram
  2. monogram a graphic symbol consisting of 2 or more letters combined
  3. sonogram image produced by reflections of high-frequency sound waves
  4. nomogram a graphic representation of numerical relations
  5. phonogram any written symbol standing for a sound or syllable or morpheme or word
  6. venogram an X ray of a vein injected with a radiopaque contrast medium
  7. anagram a phrase rearranged from the letters of another phrase
  8. tangram a Chinese puzzle consisting of a square divided into seven pieces that must be arranged to match particular designs
  9. engram a postulated biochemical change that represents a memory
  10. Coniogramme terrestrial ferns of Pacific islands and Asia
  11. NegGram antibacterial agent used especially to treat genitourinary infections
  12. monochrome having or appearing to have only one color
  13. hologram a photograph for reproducing a three-dimensional image
  14. Anogramma a genus of ferns belonging to the family Pteridaceae
  15. Non-Ugric one of two branches of the Finno-Ugric languages
  16. monogamy having only one spouse at a time
  17. logogram a single written symbol that represents an entire word or phrase without indicating its pronunciation
  18. angiogram an X-ray representation of blood vessels made after the injection of a radiopaque substance
  19. bologram record or recording made by a bolometer
  20. noncom a military officer appointed from enlisted personnel