| deuteranopia | (noun) dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red | Synonyms: Daltonism, green-blindness |
|---|
| deuteranopic | (adjective) inability to see the color green or to distinguish green and purplish-red | Synonyms: green-blind |
|---|
| deuterium | (noun) an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen) | Synonyms: heavy hydrogen |
|---|
| deuteron | (noun) the nucleus of deuterium; consists of one proton and one neutron; used as a bombarding particle in accelerators | - |
|---|
| eutectic | (noun) a mixture of substances having a minimum melting point | - |
|---|
| lieutenancy | (noun) the position of a lieutenant | - |
|---|
| lieutenant | (noun) an officer in a police force | Synonyms: police lieutenant |
|---|
| (noun) a commissioned military officer | - |
| (noun) an assistant with power to act when his superior is absent | Synonyms: deputy |
| (noun) an officer holding a commissioned rank in the United States Navy or the United States Coast Guard; below lieutenant commander and above lieutenant junior grade | - |
| neuter | (adjective) neither male nor female (of grammatical gender) | - |
|---|
| (adjective) having no or imperfectly developed or nonfunctional sex organs | Synonyms: sexless |
| (noun) a gender that refers chiefly (but not exclusively) to inanimate objects (neither masculine nor feminine) | - |
| (verb) remove the ovaries of | Synonyms: alter, castrate, spay |
| neutered | (adjective) having testicles or ovaries removed | Synonyms: altered |
|---|
| neutering | (noun) the sterilization of an animal | Synonyms: altering, fixing |
|---|
| sublieutenant | (noun) an officer ranking next below a lieutenant | - |
|---|