| Domain | Definition | ||
| Energy | Any given absorber that will reduce the intensity of an original beam of ionizing radiation to one-half of its initial value. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Webster's Online Dictionary |
| Domain | Definition | ||
| Energy | Any given absorber that will reduce the intensity of an original beam of ionizing radiation to one-half of its initial value. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
