Tag: science & technology

Hippopotamus comes from Greek 'hippos' meaning horse and 'potamos' meaning river. The name literally translates to 'river horse.' Rhinoceros means 'nose horn' in Greek, and regular horses are terrestrial, not river-dwelling.

Dichlorodiphenyltrichloroethane is commonly abbreviated as DDT, a well-known insecticide. The initials come from the first letters of each major component in its chemical name.

Vitamin B2 is riboflavin. Thiamine is B1, pyridoxine is B6, and cyanocobalamin is B12. Riboflavin comes from 'flavus' (yellow) due to its yellow color.

Sulphur (sulfur) was historically known as brimstone. The term appears in ancient texts and religious documents. Brimstone refers to the burning smell of sulfur, especially in volcanic areas.

Morphine is the white crystalline alkaloid derived from opium. It's the principal active ingredient in opium and is a potent pain reliever. Thebaine and codeine are also opium alkaloids, but 'opiates' is the general category, not a specific alkaloid.

Nitrous Oxide is commonly known as laughing gas because it causes euphoria and laughter when inhaled. It has been used as an anesthetic and pain reliever in medical and dental procedures for over a century.

Sulphuric acid was historically called 'Oil of Vitriol' and is commonly found in car batteries. It earned this name due to its oily appearance and the Latin word 'vitriol' meaning glassy or corrosive substances.

The chemical symbol 'Cr' stands for Chromium, atomic number 24 on the periodic table. Carbon is 'C', Chlorine is 'Cl', and Curium is 'Cm'. Chromium is a transition metal known for its corrosion resistance and use in stainless steel.

The chemical symbol 'Ca' stands for Calcium, atomic number 20 - an alkaline earth metal essential for biological functions. Californium is 'Cf', Cadmium is 'Cd', and 'Carolium' is not a real element. Calcium is abundant in limestone, bones, and dairy products.

The chemical symbol 'Tl' represents Thallium, atomic number 81 - a soft post-transition metal. Thorium is 'Th', Thulium is 'Tm', and 'Thandrium' is fictional. Thallium was named from Greek 'thallos' meaning green shoot, due to its green spectral line.