Definition of sugar daddy for English Language Learners : a rich, older man who gives money, gifts, etc., to someone (such as a young woman) in exchange for sex, friendship, etc. Learn More about sugar daddy
Noise is defined as a sound, especially a loud one. An example of a noise is the sound of fireworks. To noise is defined as to tell rumors or spread information around. An example of to noise is to gossip around town. noise.
Noise in our environment can be described by three characteristics -- loudness, pitch, and time variation. Loudness is the intensity of sound or sound energy, and is described in terms of decibels (dB). For example, the louder the sound, the greater the decibel value. Pitch is the note or wavelength of the sound.