--- kind: "section" citation: "49 C.F.R. § 572.4" title: "49" number: "572.4" heading: "Terminology." url: "https://uscodex.org/cfr/49/572.4" --- # §572.4. Terminology. - (a) **The term dummy, when used in this subpart A, refers to any test device described by this part.** The term dummy, when used in any other subpart of this part, refers to the particular dummy described in that part. - (b) Terms describing parts of the dummy, such as head, are the same as names for corresponding parts of the human body. - (c) The term unimodal, when used in subparts C and I, refers to an acceleration-time curve which has only one prominent peak. ## Notes ### Amendments [38 FR 20451, Aug. 1, 1973, as amended at 42 FR 7152, Feb. 7, 1977; 44 FR 76530, Dec. 27, 1979; 56 FR 57836, Nov. 14, 1991] ### Authority Authority: 49 U.S.C. 322, 30111, 30115, 30117 and 30166; delegation of authority at 49 CFR 1.95 ### Amendments [38 FR 20451, Aug. 1, 1973, as amended at 42 FR 7152, Feb. 7, 1977; 44 FR 76530, Dec. 27, 1979; 56 FR 57836, Nov. 14, 1991]