Second Ionization Energy: The energy needed to remove an electron from an isolated +1 ion. The third ionization energy would be the energy required to remove an electron from an isolated +2 ion, and so on.

 

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Second Ionization Energy: The energy needed to remove an electron from an isolated +1 ion. The third ionization energy would be the energy required to remove an electron from an isolated +2 ion, and so on.

Secondary Coffee Taste Sensations: Piquant to nippy, mild to delicate, tangy to tart, soft to neutral, rough to astringent, hard to acrid.

Secondary Colors: Colors obtained by mixing two primary colors green, violet, and orange.

Secondary Cell Wall: In woody plants, a second wall inside the primary cell wall; contains alternating layers of cellulose and lignin.

Secondary Cache: Also referred to as 'Level 2 cache' or 'L2'. In general, L2 cache memory resides on a separate external chip from the microprocessor chip. However, The Pentium Pro processor has an L2 cache . . . View Full Definition

Secondary: Refers to the defensive 'backfield', specifically the safeties and cornerbacks. Primarily responsible for pass coverage/defense.

Secondary (Lateral) Meristems: Plant meristems that produce secondary growth from a cambium.

Secondary Compounds: Plant products that are not important in metabolism but serve other purposes, such as attracting animals for pollination or killing parasites.

Secondary Control Tide Station: A tide station at which continuous observations have been made over a minimum period of 1 year but less than 19 years. The series is reduced by comparison with simultaneous observations from . . . View Full Definition

Secondary Gain: The external gain derived from any illness, such as personal attention and service, monetary gains, disability benefits, and release from unpleasant responsibilities. See also primary gain.