Double Tide

Science / Tides and Currents / Double Tide: A double-headed tide, that is, a high water consisting of two maxima of nearly the same height separated by a relatively small depression, or a low water consisting of two minima separated by a relatively small elevation. Sometimes called an agger. See gulder.
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Other Words for Double

Double Verb Synonyms: twofold, paired, coupled, duplicate(d), doubled
Double Adjective Synonyms: folded or doubled or bent over, overlapped, two-ply


Science / Chemistry / Nucleotide: A molecule which is a basic building block of nucleic acids and which plays a key role in energy transfer in biochemical reactions. Nucleotides consist of a five-carbon sugar, a heterocyclic nitrogen- MORE

Nucleotide Base

Science / Chemistry / Nucleotide Base: A heterocyclic nitrogen-containing base that is a constituent of nucleotides. Examples are adenine, guanine, thymine, uracil, and cytosine. MORE

Nucleotide Sequences

Science / Biology / Nucleotide Sequences: The genetic code encrypted in the sequence of bases along a nucleic acid. MORE


Science / Biology / Nucleotides: The subunits of nucleic acids; composed of a phosphate, a sugar, and a nitrogen-containing base. The fundamental structural unit of the nucleic acid group of organic macromolecules. Some nucleotides a MORE

Normal Tide

Science / Tides and Currents / Normal Tide: A nontechnical term synonymous with tide; i.e., the rise and fall of the ocean due to the gravitational interactions of the Sun, Moon, and Earth alone. Use of this term is discouraged. MORE

Nicotine Adenine Dinucleotide Phosphate (NADP)

Science / Biology / Nicotine Adenine Dinucleotide Phosphate (NADP): A substance to which electrons are transferred from photosystem I during photosynthesis; the addition of the electrons reduces NADP, which acquires a hydrogen ion to form NADPH, which is a storage for MORE