A bra cup gap occurs when the fabric of the cup does not fully cover the breast, leaving a visible space. This phenomenon can indicate an ill‑fitting bra, changes in body shape, or design features. Understanding the causes helps in selecting a more comfortable and supportive bra.
Denier is a unit of measurement for the linear mass density of fibers; 20 denier indicates a very fine, lightweight, and sheer fabric, commonly used in hosiery and tights. Lower denier numbers correspond to thinner, more transparent materials.
In shoe sizing, ‘9m’ typically indicates either a men’s size 9 or a size 9 with medium width, depending on the labeling system used. The ‘M’ can stand for ‘Men’s’ (gender) or ‘Medium’ (width), leading to potential ambiguity that requires checking the brand’s specific sizing chart.
Shoe size 10B indicates a foot length of approximately 10 inches (US men’s) or 10.5 inches (US women’s) combined with a B width, which is considered medium for women and narrow for men. This designation is part of the standardized Brannock system used in the United States.
Rub count is a numerical rating that indicates how many rub cycles a fabric can endure before showing visible wear. It is used by manufacturers and consumers to assess a material’s durability and suitability for specific applications.
Low bridge fit glasses are designed for individuals whose nose bridge sits lower than the average pupil line. This specialized fit prevents frames from sliding down or resting on the cheeks, ensuring comfort and proper optical alignment. Understanding this distinction is crucial for selecting eyewear that accommodates diverse facial structures.
The designation 10×42 on binoculars means a ten‑times magnification paired with a 42 mm objective lens. This combination influences brightness, field of view, and suitability for activities such as birdwatching, hunting, and astronomy.
In embroidery, ‘3 strands’ refers to the number of individual thread plies used to create a stitch. This typically involves separating a six-strand cotton embroidery floss into three distinct filaments to achieve a specific thickness and texture.
Sphere PL is a notation used in eyeglass prescriptions to indicate a plano, or zero‑power, spherical correction. It appears when no spherical adjustment is required for a particular lens, often in reading glasses or low‑vision aids.
The letters on bra sizes (e.g., A, B, C, D) represent cup volume relative to the band size (the number). Each letter signifies an increment in breast volume for a given underbust measurement. Understanding these letters helps individuals select bras that provide proper support and comfort.