A
Aerodynamics (n.): How the shape of the racket frame reduces wind resistance.
Alloy (n.): A mixture of metals (like aluminum) used in beginner or vintage frames.
Awl (n.): A pointed tool used by stringers to clear grommet holes.
B
Balance (n.): The distribution of weight between the head and the handle.
Beam (n.): The thickness of the racket frame, affecting power and stiffness.
Braided (adj.): A string construction where fibers are interlaced for better feel.
C
Carbon (n.): The primary fiber material in modern rackets; light and strong.
Core (n.): The central part of a tennis ball or inner material of a string.
Cross-Strings (n.): The horizontal strings in a racket's string bed.
D
Dampener (n.): A small device used to reduce the high-frequency "ping" sound of strings.
Density (n.): The "tightness" of the string pattern (e.g., 18x20).
Deformation (n.): The temporary flattening of the ball and strings during impact.
E
Elasticity (n.): The ability of strings to stretch and snap back to their original shape.
Epoxy (n.): The resin used to bond carbon fibers together during manufacturing.
Eyelet (n.): The specific plastic opening in a grommet that a string passes through.
F
Felt (n.): The woven or needle-punched outer covering of a tennis ball.
Fiber (n.): The individual strands used to build a racket's composite structure.
Flex-Rating (n.): A numerical value (RA) indicating how much a racket frame bends.
G
Gauge (n.): The numerical thickness of a string; common gauges are 16 and 17.
Grommet (n.): Plastic inserts that protect the strings from the frame's edges.
Graphite (n.): The carbon fiber material used in high-end rackets.
H
Head-Light (adj.): A racket with more weight concentrated in the handle.
Head-Heavy (adj.): A racket with more weight concentrated in the head.
Hybrid (n.): Using two different types of strings for the mains and the crosses.
I
Inertia (n.): The resistance of the racket to being accelerated.
Impact-Force (n.): The total pressure exerted on the racket and arm during a hit.
Isometric (adj.): A racket head shape squared off at the top to enlarge the sweet spot.
J
Joule (n.): The unit of energy used to measure the power return of a frame.
Joint-Strength (n.): The durability of the area where the racket throat meets the head.
Jacket (n.): The rubber shell (pressurized or non-pressurized) beneath the ball's felt.
K
Kevlar (n.): An extremely stiff fiber used in some heavy-duty hybrid string setups.
Kinetic-Energy (n.): The energy a racket possesses due to its motion and weight.
Knot (n.): The specific tie-off used by stringers to secure the end of a string.
L
Leather (n.): A traditional grip material providing maximum feedback and bevel feel.
Lead-Tape (n.): Adhesive strips used by players to add weight to specific parts of the frame.
Loom (n.): The machinery or method used to weave fibers into a racket's structure.
M
Main-Strings (n.): The vertical strings running from the throat to the top.
Mass (n.): The actual weight of the racket, measured in grams or ounces.
Modulus (n.): A measure of the "stiffness" of the carbon fibers used in the frame.
N
Nylon (n.): The basic synthetic material used for most "synthetic gut" strings.
Natural-Gut (n.): High-end string made from cow intestines; superior feel.
Node (n.): A "dead spot" on the racket where vibration is at its minimum or maximum.
O
Overgrip (n.): A thin, disposable tape wrapped over the base grip to absorb sweat.
Open-Pattern (n.): A string pattern with fewer strings (e.g., 16x19), allowing more spin.
Outer-Shell (n.): The external layer of a composite racket frame.
P
Polyester (n.): A stiff, durable string material used for control and spin.
Polymer (n.): The chemical compound family used to create modern synthetic strings.
Pallet (n.): The hard plastic shell over the racket handle that determines grip shape.
Q
Quad-Braid (n.): A manufacturing technique weaving fibers in four directions for stability.
Quality-Control (n.): The process ensuring every racket in a batch has the same specs.
Quake-Dampening (n.): Technologies designed to filter out injury-causing vibrations.
R
Resin (n.): The "glue" that holds the carbon fiber layers together.
Resilience (n.): The speed at which a string or frame returns to its original shape.
Rigidity (n.): The overall resistance of the frame to twisting or bending.
S
Sweet-Spot (n.): The area of strings providing best energy transfer and least shock.
Stiffness (n.): The lack of flex in a frame; stiffer frames provide more power.
String-Bed (n.): The entire hitting surface formed by the interlaced strings.
T
Tension (n.): The amount of pull applied to the strings, measured in pounds or kilograms.
Throat (n.): The Y-shaped section of the racket connecting the head to the handle.
Torque (n.): The twisting force applied to the racket when the ball is hit off-center.
U
Urethane (n.): A chemical coating used to protect the frame or enhance string durability.
Uniformity (n.): The consistency of string bed tension across the entire face.
Unstrung (adj.): The weight or balance of a racket before strings and grips are added.
V
Vinyl (n.): A material sometimes used in end caps or decorative parts.
Vibration-Frequency (n.): The rate at which a racket oscillates after a hit.
Viscosity (n.): The "thickness" of dampening liquids used in modern frames.
W
Weight (n.): The total mass of the racket influences power and stability.
Weave (n.): The pattern in which cross strings go over and under the mains.
Width (n.): The thickness of the racket beam from a side-view perspective.
X
X-Stringing (n.): A specific cross-weaving technique to minimize string movement.
X-Section (n.): A cross-section view of the frame used to analyze aerodynamic shape.
Xenon-Testing (n.): High-end laboratory testing used to check material durability.
Y
Yarn (n.): The raw fiber before it is processed into a tennis string.
Yield-Point (n.): The point at which a frame or string will permanently deform.
Yellow-Optic (adj.): The specific fluorescent color used for high visibility.
Z
Zig-zag-Pattern (n.): A decorative or functional fiber weave in the racket throat.
Zinc-Infusion (n.): A rare additive used in alloys to increase frame density.
Zero-Tolerance (n.): A manufacturing standard where weight variation is kept near zero.
