indeterminacy
UK[ˌɪndɪˈtɜːmɪnəsi]US[ˌɪndɪˈtɜːrmɪnəsi]
n
the state of being uncertain, vague, or not exactly known or established.
n
(physics) a principle stating that it is impossible to know both the exact position and the exact momentum of a particle at the same time.
Morpheme Breakdown
in
determin
acy
in
not
determin
to limit, to fix
acy
state or quality
Etymology
the word "indeterminacy" is built upon the classical latin foundation of "determinare," which literally meant to set boundaries or limits. the prefix "in-" negates this core concept, creating a sense of being unbounded or unfixed. the suffix "-acy" then nominalizes this quality, forming an abstract noun. thus, the etymological logic moves from the concrete act of marking an end or limit, through its negation, to arrive at the modern abstract concept of an inherent lack of fixity, precision, or certainty, applicable from philosophy to quantum physics.
Analysis
Structure: in (not) + determin (to limit, to fix) + acy (state or quality)
in: a latin prefix meaning "not" or "without".
determin: from latin 'determinare', meaning "to limit, to fix boundaries", itself from 'de-' (completely) + 'terminare' (to set a limit).
acy: a noun-forming suffix of latin origin (via old french -acie, latin -atia), indicating a state, quality, or condition.
Examples
the indeterminacy of the legal wording left room for multiple interpretations.
heisenberg's indeterminacy principle is a cornerstone of quantum mechanics.
a feeling of indeterminacy hung over the project's future.