million-fold
UK[ˈmɪljən fəʊld]US[ˈmɪljən foʊld]
adj
Increased by a factor of one million; multiplied by one million.
adv
By a factor of one million.
Morpheme Breakdown
million
fold
million
one million
fold
multiplicative suffix
Etymology
The word is a modern English compounding of "million," a numerical term with Latin roots, and the multiplicative suffix "-fold," of Germanic origin. "Million" entered English via Old French, originating from Italian milione, an augmentative of Latin mille (thousand), essentially meaning "a great thousand." The suffix "-fold" derives from Old English -feald, related to the act of folding or multiplying layers, and has long been used to form adjectives and adverbs denoting multiplication. Thus, "million-fold" logically constructs its meaning by combining the specific large number with the general concept of multiplication, precisely indicating an increase by a factor of one million.
Analysis
Structure: million (one million) + fold (multiplicative suffix)
- million: From Latin mille (thousand) via Italian milione (a great thousand). Functions as the numerical base in the compound.
- fold: From Old English -feald, from Proto-Germanic -falþaz (folded, multiplied). Functions as a multiplicative suffix indicating a factor or degree.
Examples
The experiment resulted in a million-fold increase in the concentration of the protein.
The processor's speed has improved million-fold since the first models were released.
The pathogen's ability to replicate million-fold within a host makes it particularly dangerous.