Nodc
National Oceanographic Data Center
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- Noddack  Noddack (nŏd’āk’) German chemist who with her husband, Walter Karl Friedrich Noddack (1893-1960), discovered rhenium and an element they called masurium (later named technetium) in 1925. 
- Nodded  [nod] /nɒd/ verb (used without object), nodded, nodding. 1. to make a slight, quick downward bending forward of the head, as in assent, greeting, or command. 2. to let the head fall slightly forward with a sudden, involuntary movement when sleepy. 3. to doze, especially in a sitting position: The speaker was so boring that […] 
- Nodding  [nod] /nɒd/ verb (used without object), nodded, nodding. 1. to make a slight, quick downward bending forward of the head, as in assent, greeting, or command. 2. to let the head fall slightly forward with a sudden, involuntary movement when sleepy. 3. to doze, especially in a sitting position: The speaker was so boring that […] 
- Nodding-acquaintance  noun 1. a slight, incomplete, or superficial knowledge (of something or someone): He had only a nodding acquaintance with Italian and didn’t trust it to get him through the tour. Although we were neighbors for several years, we had only a nodding acquaintance. 2. a person with whom one is only slightly acquainted: I don’t […] 
- Nodding dog  noun 1. a small model of a dog carried as a mascot in a motor vehicle, with a head so mounted that it moves up and down with the motion of the vehicle 
