essential

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essential

1. Biochem (of an amino acid or a fatty acid) necessary for the normal growth of an organism but not synthesized by the organism and therefore required in the diet
2. derived from or relating to an extract of a plant, drug, etc.
3. Logic (of a property) guaranteed by the identity of the subject; necessary. Thus, if having the atomic number 79 is an essential property of gold, nothing can be gold unless it has that atomic number
4. Music denoting or relating to a note that belongs to the fundamental harmony of a chord or piece
5. Pathol (of a disease) having no obvious external cause
6. Geology (of a mineral constituent of a rock) necessary for defining the classification of a rock. Its absence alters the rock's name and classification
7. Music an essential note
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Elder employs the notion of contrariety in proposing his empirical test for essentialness:
Structure essentialness can also be achieved in production activities that satisfy the key features of tasks, in that they provide a workplan to guide learners to achieve a specific goal.
assimilation); and (c) the essentialness of cultural and contextual paradigms in the counseling profession.
And with all of the changes brought by technology and with those happening in newsrooms, it is hard to know whether investigative journalism's future looks brighter for those of us who believe in the essentialness of its traditional watchdog role.
Differences that are constructed are used to reinforce the essentialness of gender.
The essentialness of the models' connections--and the greater import for gender--is thus more implied than explicit, though posthuman and premodern constructions of the body and self allow for promising juxtapositions.
While we try in class to convey the essentialness of respecting and dignifying every child, we don't always know if our own students will carry this message with them into practice.
these approaches, based on inferring intent or essentialness, involve a
Consequently, such products had to use stronger selling techniques to convince women of their essentialness. Feminine antiseptics (solutions used to clean/deodorize vaginal tissue) were among those products whose usefulness had to be created and explained for the female consumer.
Essentialness for normal plant development, pH regulation, Kreb's cycle bypass, a deterrent for insect herbivory (Bloomquist, 2001; Fait et al., 2005), and its use as a signaling molecule (Coleman et al., 2001) have all been speculated as possible justifications for GABA synthesis (Snedden and Fromm, 1999).
In these two the cryptoclues are two-word phrases: AEROGEOLOGIST + ASTROLOGASTER = ESSENTIALNESS cryptoclue: 51546 94703082 CONCUPISCENCE + CONSCIOUSNESS = SUPERSEDENCES cryptoclue: 98624 59123077