trapezoidal

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trapezoid

trap·e·zoid

 (trăp′ĭ-zoid′)
n.
1. Mathematics
a. A quadrilateral having two parallel sides.
b. Chiefly British A trapezium.
2. Anatomy A small bone in the wrist, situated near the base of the index finger.
3. Sports An area in the shape of a trapezoid marked behind the goal line and the goal in ice hockey, where the goalie is allowed to play the puck.

[Originally, a quadrilateral with no parallel sides (later confused with trapezium, originally, a quadrilateral with two parallel sides), from New Latin trapezoīdēs, a quadrilateral with no parallel sides, from Late Greek trapezoeidēs, from Greek table-shaped : trapeza, table; see trapezium + -oeidēs, -oid.]

trap′e·zoid′, trap′e·zoi′dal (-zoid′l) adj.

trapezoidal

(ˌtræpɪˈzɔɪdəl)
adj
1. (Mathematics) geometry (in geometry) trapezoid shaped
2. (Anatomy) anatomy relating to the trapezoid bone in the wrist
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.trapezoidal - resembling a trapezoidtrapezoidal - resembling a trapezoid    
References in periodicals archive ?
The twenty-eight contributions selected by the editors include papers on building multi-dimensional cubes to analyze public examination results, comparative analysis of various modulation strategies for induction heating systems, the ductility of concrete-encased cold-formed steel beams with trapezoidally corrugated webs, and a great variety of other subjects.
The study included the effects of web openings and trapezoidally corrugated webs.
Horizontally curved composite plate girders with trapezoidally corrugated webs
But since we are talking about installation design, let's focus on the rhythm that sweeps the eye from the leftmost edge of the Krebber panel, drawing it along the upper and lower diagonals of the trapezoidally shaped, "receding" photograph in that work, until it eventually sandwiches the figure of Judith in the next panel, before terminating at the apex of the black triangle.
Herein, results for two sets of trapezoidally corrugated perforated plate-fin heater cores with different numbers of fins per meter (FPM) or fin density are presented.
The geometric features of a trapezoidally corrugated perforated plate-fin duct are described in the schematic diagram of Figure.
Suitable for use as the base or "X" axis in stacked multi-stage applications such as inspection, pick-and-place and robotics, the stage features non-contact, three-phase brushless linear motors commutated either sinusoidally or trapezoidally with Hall-effect sensors.
A motor that can be commutated either sinusoidally or trapezoidally.
The typical stimulus used in these experiments was a trapezoidally modulated 1.
the B25A20FAC brushless DC, trapezoidally commutated, PWM servo amplifier offers front panel accessibility of all connections and a removable screw terminal motor connector, making it ideal for panel mount applications.
Because of this alignment it is necessary to conduct the illuminating and reflected light rays through a complicated system of trapezoidally and prismatically formed glass bodies.
Company announces the availability of its BX15A20 brushless DC, trapezoidally commutated, PWM servo amplifier.