Definition that contains the normal
- generation the normal time between successive generations
- theta rhythm the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude
- trichromacy the normal ability to see colors
- delta wave the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz)
- theta wave the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude
- room temperature the normal temperature of room in which people live
- alpha rhythm the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz
- beta rhythm the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz
- chromatic vision the normal ability to see colors
- atrioventricular nodal rhythm the normal cardiac rhythm when the heart is controlled by the atrioventricular node