| Halley's Comet |
a comet, last seen in 1986, that returns every seventy-six years. |
| halliard |
variant of halyard. |
| hallmark |
an official mark or stamp used in England to certify that a gold or silver article meets established standards of purity. [4 definitions] |
| hallo |
used as a greeting, esp. from a distance, or to catch someone's attention. [6 definitions] |
| Hall of Fame |
a memorial hall or building dedicated to illustrious or famous persons in a particular profession, sport, or the like. [2 definitions] |
| halloo |
to call out loudly to attract the attention of (someone). [3 definitions] |
| hallow |
to consecrate or make holy. [3 definitions] |
| hallowed |
considered sacred; venerated. [2 definitions] |
| Halloween |
October 31, the eve of All Saints' Day, which is now celebrated primarily by costumed children who go from house to house begging for treats or playing tricks. |
| hall tree |
a clothes tree, esp. one standing in an entrance hall. |
| hallucinate |
to have hallucinations. [2 definitions] |
| hallucination |
a false or distorted but compelling sensory perception, as induced by drugs or by mental derangement such as schizophrenia. [2 definitions] |
| hallucinatory |
of, similar to, or caused by hallucinations. |
| hallucinogen |
a natural or synthetic substance that induces false or distorted sensory perceptions. |
| hallway |
a narrow passage in a house or building; corridor. [2 definitions] |
| halo |
a circle of light depicted in paintings as shining around the head of a divine or sacred being. [2 definitions] |
| halo- |
halogen. [2 definitions] |
| halocarbon |
a chemical compound of carbon and a halogen. |
| halo effect |
the tendency of extraneous material or ideas to affect a judgment, attitude, or the like, esp. in a favorable direction. [2 definitions] |
| halogen |
any of the five nonmetallic elements fluorine, chlorine, iodine, bromine, and astatine. |
| halogenate |
to treat or combine with a halogen. [2 definitions] |