| Adiactinic |
| Not transmitting the actinic rays. |
| Adiantum |
| A genus of ferns, the leaves of which shed water;
maidenhair. Also, the black maidenhair, a species of spleenwort. |
| Adiaphorism |
| Religious indifference. |
| Adiaphorist |
| One of the German Protestants who, with Melanchthon,
held some opinions and ceremonies to be indifferent or nonessential,
which Luther condemned as sinful or heretical. |
| Adiaphoristic |
| Pertaining to matters indifferent in faith and
practice. |
| Adiaphorite |
| Same as Adiaphorist. |
| Adiaphorous |
| Indifferent or neutral. |
| Adiaphorous |
| Incapable of doing either harm or good, as some
medicines. |
| Adiaphory |
| Indifference. |
| Adiathermic |
| Not pervious to heat. |
