| Bolton | Joseph S., English neurologist, 1867-1946. See: Bolton plane, Bolton-Broadbent plane, Bolton-nasion plane, Bolton-nasion line. (05 Mar 2000) |
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| Bolton plane | A roentgenographic cephalometric plane extending from the Bolton point to nasion. Synonym: Bolton-Broadbent plane, Bolton-nasion line, Bolton-nasion plane. (05 Mar 2000) |
| Bolton-Broadbent plane | A roentgenographic cephalometric plane extending from the Bolton point to nasion. Synonym: Bolton-Broadbent plane, Bolton-nasion line, Bolton-nasion plane. (05 Mar 2000) |
| Bolton-nasion line | A roentgenographic cephalometric plane extending from the Bolton point to nasion. Synonym: Bolton-Broadbent plane, Bolton-nasion line, Bolton-nasion plane. (05 Mar 2000) |
| Bolton-nasion plane | A roentgenographic cephalometric plane extending from the Bolton point to nasion. Synonym: Bolton-Broadbent plane, Bolton-nasion line, Bolton-nasion plane. (05 Mar 2000) |
| boltonite | <chemical> A granular mineral of a grayish or yellowish colour, found in Bolton, Massachusetts. It is a silicate of magnesium, belonging to the chrysolite family. Source: Websters Dictionary (01 Mar 1998) |