The word "pinhead" is usable in written English, though it is informal and can be considered derogatory.
It is typically used to describe someone as foolish or lacking intelligence. Example: "I can't believe he made that mistake; sometimes he acts like a total pinhead." Alternatives include "fool," "idiot," or "simpleton."
Spotting the light from a tiny planet across astronomical distances is akin to discerning a red-hot pinhead right next to a floodlight from many kilometres away.In this section Signs of life A trick of the light More harm than good?
Over this pinhead, not just Christian ink but blood was spilt; not as much or cruelly as in the "crusade" set afoot by Pope Innocent III against the Albigensian heretics, or in Europe's later ghastly wars of religion.
Whereas inkjet printers are frequently sold for less than they cost to make, the profit margin on ink cartridges is typically 80%.Kodak's other killer feature is a nano-particle ink system, using pigment-based paints made of solid plastic particles so small that 2.5 billion of them would fit on a pinhead.
If somebody is determined to count angels on a pinhead, he may as well be precise about noting how many there are.
Seeds within the legumes are also variable, ranging from the size of a pinhead to that of a baseball.
The small capsule (spore case) of the female plant resembles a pinhead.
As each pin was driven forward, it struck an inked ribbon and transferred a single dot the size of the pinhead to the paper.
The lathe carries a point or small disk of soft iron, which can vary in diameter from that of a pinhead to a quarter of an inch.
Finicky miniature cameras and tape recorders have given way to pinhead-sized gadgets, powered remotely (a big problem in the old days used to be changing the batteries on bugs).Encrypted electronic communications are a splendid target for the huge computers at places such as America's National Security Agency.
Childhood eczema in black children frequently is seen as a follicular eruption of pinhead-sized papules.
Containing pinhead-sized ooliths (small, rounded, accretionary masses formed by repeated deposition of thin layers of an iron mineral), these oolitic iron deposits have been largely supplanted in importance by BIFs, but they once formed the backbone of the iron and steel industries in western Europe and North America.
