1pulse 
/ˈpʌls/ noun
plural puls·es /ˈpʌls/ noun [count] 1 : the regular movement of blood through your body that is caused by the beating of your heart and that can be felt by touching certain parts of your body — usually singular ▪ This machine measures pulse rate and blood pressure. ▪ a strong/weak pulse ▪ My pulse quickened when I heard the exciting news. = The exciting news set my pulse racing. [=the exciting news made my heart beat faster] ▪ She has a resting pulse of 60. [=when she is resting, her heart beats 60 times per minute] ▪ The nurse checked/took/felt my pulse. [=measured how fast my heart was beating] 2 : a strong, regular beat or pattern of sounds in music — usually singular ▪ the strong pulse of the music 3 : a brief increase in an amount of electricity, light, or sound
▪ light pulses = pulses of light ▪ pulse waves 4 : the ideas, feelings, or opinions that are shared by a particular group of people — usually singular ▪ Her book is a good analysis of the political pulse of the nation.
▪ light pulses = pulses of light ▪ pulse waves
finger on the pulse — see 1finger
