Heart Palpitation: 8 Reasons for Your Abnormal Heartbeat. Heart palpitations occur when the heart beat increasesâit may noting a flutter, skipped beat, or heart rate thatâs abnormally hard and fast in your chest, throat, or neck. Heart palpitations can be frightening if youâve never experienced them before.
a combining form meaning âwater,â used in the formation of compound words: aquiclude; aquiculture; aquifer. Also, aqua-. Origin of aqui-.
Definition - What does Aquifer mean? An aquifer is an underground layer of water-bearing permeable rock or unconsolidated materials from which groundwater can be extracted using water wells. Aquifers occur at various depths. Those closer to the surface are more likely to be used for water supply and irrigation. They are also likely to be topped off by local rainfall.